Anchor: Client-Centered Conference, April 25-28 in Hershey, Pennsylvania.
Entailed: The conference is in Hershey, Pennsylvania.
Contradiction: The conference is in NYC.
Contradiction: I think if you got tested before and it was negative, they should still test you every week
Contradiction: Technical efficiency is believed to be one of the results of competition.
Contradiction: I remember when mailing a letter costed $50
Contradiction: A group of boys play with a ball