T4W5 TS Q20 – Selective High School

“The athlete who came in first place had great stamina and determination.”

If the statement above is true,

which of these sentences must also be true?

If Dan has excellent stamina and determination, he must have come first. Dan’s stamina is lacking. Therefore, he could not have come first. Dan did not cross the line in first place; therefore, he does not have great determination. If Dan did not come first, he does not have great stamina nor determination.

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which of these sentences must also be true?