Anchor: A group of people is gathered outside a building listening to a man on the stairs speak.
Entailed: There's a group of people listening to a male speaker.
Contradiction: A group of people are walking down the stairs.
Contradiction: The path avoids Salisbury Crags, a dangerous place. 
Contradiction: IOLTA uses pools money to earn income for the trust fund.
Contradiction: Mr. Mace is from the cobbler's shop.
Contradiction: Girls get together for fun.