gistfile1.diff

Input:
    query_token = The token we're interested in. It is part of a dependency tree of tokens.
    
Output:
    opinions = An array of token forms (which constitute the extracted opinions related to the query token
    
opinions = []
for each dependent token of query_token, then
    append dependent's form to opinions array if the dependency relation of the dependent is "det"
    
head = the head token of query_token
if the PoS of head starts with "VB", then
    append head's form to opinions array
    
return opinions