Anchor: Three men are involved in a football game are tackling each other.
Entailed: Three men are tackling each other during football.
Contradiction: Three men are wrestling.
Contradiction: 99% of eligible voters vote in national elections. 
Contradiction: Some people are building gingerbread houses.
Contradiction: Making a lovely Madeiran backyard is not difficult to do.
Contradiction: A child is playing sports.