Anchor: Students standing on a snowy beach are getting dressed in seeming anticipation of jumping into the arctic water.
Entailed: Students stand on a snowy beach
Contradiction: Students are in the library and reading a book.
Contradiction: A group of students are about to jump in a cold pool.
Contradiction: Students fish on a ice covered lake.
Contradiction: Adults get dressed to go swimming.
Contradiction: The students are sitting in a boat on Ocean.