Each card has a number on one side and a letter on the other.
Every card that has a vowel on one side has an even number on its opposite side.
Which card or cards must we turn over in order to test the Hypothesis?
The 15 possible answers are:
All four cards: G 2 3 E
Three cards: G 2 3 / G 2 E / G 3 E / 2 3 E
Just two cards: G and 2 / G and 3 / G and E / 2 and 3 / 2 and E / 3 and E
Just one card: Card G only / Card 2 only / Card 3 only / Card E only
Select one of the 15 answers and type it just as it is typed in the list above.
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