Anchor: A chemistry student is eyeballing the contents as it sits on a weight scale.
Entailed: The chemistry student is in the classroom.
Contradiction: The student is sitting on the table waiting for his girl.
Contradiction: There are no people around the trolley
Contradiction: There are people engaging in a contest of speed.
Contradiction: The woofer cone did not fit inside of the radio.
Contradiction: Two people are sitting on a bench.