Anchor: A musical band are by their instruments most likely playing a song.
Entailed: A band playing a song
Contradiction: A rock band packing their instruments into a truck
Contradiction: You must be at least 24 and have a recently acquired disability in order to to qualify.
Contradiction: People sit near computers.
Contradiction:  One of the factors affecting the demand for mail services is not the number of households.
Contradiction: Trees are growing outdoors.