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Conditional LF

Conditional marks the presence of a conditional between two clauses. Conditional is normally introduced by an if...then and so the first discourse unit is a hypothesis while the second is a consequence of the hypothesis.

LL (linguistic source -> linguistic target)

Rule(s):

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def LF_Cond_L_L_case1(row):
    l=0
    if row.distance==1:
        if conditional_start(row.source_text) \
        and row.source_emitter == row.target_emitter \
        and row.source_addressee == row.target_addressee:
            l=1
    return l

Application of rules to candidates:

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#1 -- get dialogues
finals = []
dialogues = cands.dialogue_num.drop_duplicates()

for d in tqdm(dialogues):
 
    # 2 -- get segment list
    seg_list = get_seg_list(cands[cands.dialogue_num == d])

    # 3 -- create seg pairs list
    seg_pairs = []
    for i, s in enumerate(seg_list):
        for n in [j for j in reversed(range((i+1)-20, i+1)) if j>=0]:
            try:
                seg_pairs.append((seg_list[n], seg_list[i+1]))   
            except IndexError:
                pass
            
    # 4 -- for each pair, pull row and append rules

    for s in seg_pairs:
        row = cands[(cands.source_id == s[0]) & (cands.target_id == s[1])]
        if row.empty:
            #check for backwards links
            backwards = cands[(cands.source_id == s[1]) & (cands.target_id == s[0])]
            if backwards.shape[0] > 0:
                b_index = backwards.index[0]
                b_row = backwards.iloc[0]
                if (b_row.source_turn_id == b_row.target_turn_id) and LF_Cond_L_L_case1(b_row):
                    finals.append((b_index, 1))
                else:
                    finals.append((b_index, 0))     
            continue
        else:
            r_index = row.index[0]
            row = row.iloc[0]
            backwards = cands[(cands.source_id == s[1]) & (cands.target_id == s[0])]
        
            #we only look at ling --> ling cases
        
            if row.source_type != 'Segment' or row.target_type != 'Segment':
                finals.append((r_index, 0))
                if backwards.shape[0] > 0:
                    b_index = backwards.index[0]
                    finals.append((b_index, 0))
                    
            elif LF_Cond_L_L_case1(row):
                finals.append((r_index, 1))
                #then no backwards link
                if backwards.shape[0] > 0:
                    b_index = backwards.index[0]
                    finals.append((b_index, -1))
                
            elif backwards.shape[0] > 0:
                b_row = backwards.iloc[0]
                b_index = backwards.index[0]
                if (b_row.source_turn_id == b_row.target_turn_id) and LF_Cond_L_L_case1(b_row):
                    finals.append((b_index, 1))
                    finals.append((r_index, -1))
                else:
                    finals.append((b_index, 0))
                    finals.append((r_index, 0))
            
            else:
                finals.append((r_index, 0))