Anchor: they have to get by Detroit and Chicago  i think either one of them is a real tough challenge for them
Entailed: Both Detroit and Chicago are real tough challenges for them. 
Contradiction: It's very easy to beat Detroit and Chicago by more than 50 points. 
Contradiction: People are swimming in the ocean.
Contradiction: A person is riding a bike.
Contradiction: Two children are playing hopscotch on the sidewalk
Contradiction: Some site issues do not need to be addressed more than once.