Anchor: A woman in a black skirt is reading a book on the subway.
Entailed: A woman is riding the subway.
Contradiction: A woman is solving math problems with a fork.
Contradiction: Man walking on the beach water
Contradiction: There are a lot of people who switch majors quite a few times while in college.
Contradiction: Section 307(d)(1)(R)  of the Clean Air Act contains no provisions concerning nonroad engines and vehicles.
Contradiction: Two men are talking