Anchor: A group of people are working on a sand sculpture.
Entailed: There is a group playing in the sand.
Contradiction: A group of people are watching Frank make a sculpture in his studio.
Contradiction: An elderly man is riding the light rail.
Contradiction: A man is speaking.
Contradiction: His brown suit was brand-new. 
Contradiction: Fenfluramine increases the serotonin levels to make people feel full.