Anchor: A male is mowing the grass with a lawn mower.
Entailed: A person is mowing the grass with a lawn mower.
Contradiction: A girl is mowing the grass with a lawn mower.
Contradiction: Four athletes compete in the Winter Olympics on the slalom
Contradiction: Under the purchases method, the acquisition cost of supplies is counted as an expense when those goods are purchased. 
Contradiction: A man walking in the park.
Contradiction: However, on this occasion, it had burned less.