Sabbir trains for the marathon only if Sabbir finishes the race. It is found that Sabbir does not finish the race. Which of the following must be true?
Correct answer A. Sabbir does not train for the marathon.
Explanation
'Sabbir trains for the marathon only if Sabbir finishes the race' makes the second part a necessary condition. Since the necessary condition fails, Sabbir does not train for the marathon.
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