add maybe rule to RelEx2logic rule
edit LogicProcessor.java for  maybe rule
add ScopeVariable.java for  maybe rule
add varscope.txt  for  maybe rule
add Adjective-clause rule (for relex2logic adjectival clause rule) on relex-semantic-algs.txt
correction on adjective clause rule
add which() relation for adjective clause rule
add rule for who() relation for sentence with predicate adjective
add adjective clause rule
add whose relation
add that() for adjective clause