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Bebras 2019 - Level 2 Question 10

BEBRAS · Bebras 2019 - Level 2

Question 10

Koko the beaver keeps some animals in six enclosures A, B, C, D, E and F as shown below.

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However, some animals can eat others, as shown above. For example, the wolf eats the sheep, while the worm may be eaten by the chicken. To keep the animals safe, Koko must put them in enclosures so that no animal is next to an enclosure containing an animal it can eat. Which arrangement below is unsuitable?
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