Anchor: A sandy beach is mostly empty except for a few people and some fog.
Entailed: the beach is mainly isolated except for a few families and some rain
Contradiction: a swimming pool is empty because it was raining except for a couple of children
Contradiction: the snow covered moutain was empty because it was cold outside and it began to snow
Contradiction: A group of people are running down the street.
Contradiction: He tripped over something and an alarm went off, which made him run away.
Contradiction: A car is full of goods.