Difficulty: Easy
Correct Answer: Goat
Explanation:
Given data
Concept/Approach
Compare digestive physiology.
Reasoning
Goat → a ruminant (four-chambered stomach; cud-chewing).Dog, Cat, Horse → non-ruminants.
Note
Other groupings are possible (pets/livestock), but the ruminant criterion yields a unique outlier.
Final Answer
Goat
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