我想检索最后一次出现关键字列表之后出现的所有单词
我的关键字 - and, or , not
举些例子
input = "tom hanks and hugh jack"
output = hugh jack
input ="tom hanks and hugh jack or bill bob"
output = bill bob
input ="tom hanks and hugh jack or bill bob not brad pitt"
output = brad pitt