Anchor: We developed a set of standard income tax questions about which citizens typically would call IRS, obtained IRS agreement on the correct answers to these questions, and then, on a probabilistic sampling basis, called IRS offices around the country to seek help.
Entailed: There are a number of questions about the tax.
Contradiction: We never called a single IRS office.
Contradiction: Teenagers were fighting each other in a field.
Contradiction: Something is more complicated than something else.
Contradiction: A boy is throwing a baseball
Contradiction: There are two men interacting with each other.