gistfile1.py

def subtree_matcher(doc): 
  x = '' 
  y = '' 
  
  # iterate through all the tokens in the input sentence 
  for i,tok in enumerate(doc): 
    # extract subject 
    if tok.dep_.find("subjpass") == True: 
      y = tok.text 
      
    # extract object 
    if tok.dep_.endswith("obj") == True: 
      x = tok.text 
      
  return x,y