Changes

*find statements with word containing term(s) in text:**<code>python find_statements.py ~/script/script.txt ~/script/script_decomposed/script_paint_paint.txt pain paint painting draw drawing hurt hurting wound injury</code>*find statements containing word(s) related to wordterm(s) in text:**<code>python find_related_statements.py ~/script/script.txt ~/script/script_decomposed/script_related_pain_painting.txt pain painting</code>**with path_similarity < threshold