Text: Mr. Thress' complete model includes the price of First-Class cards, the price of Standard A, the workshare discount, three lags on these variables, permanent income, transitory income, user costs, certain dummy variables, and seasonal coefficients.
Entailment: Mr. Thress' complete model includes the price of First-Class cards.
Contradiction: Mr. Thress' model does not include the price of first-class cards.