T1W9 TS Q14 – Selective High School

An airline passenger cannot land in City U unless they have first landed in Country E. A passenger can land in Country E only if they have previously landed in Country R.

If the statement above is true, which of the following must also be true?

If a passenger has landed in Country R, they must have landed in Country E. If a passenger has not landed in Country E, they must not have landed in Country R. A passenger who has landed in City U has not landed in Country E. A passenger who has not landed in Country R has not landed in City U.

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If the statement above is true, which of the following must also be true?