T1W5 TS Q25 – Selective High School

Macaws are intelligent and vividly stunning birds that belong to the parrot family. It is thought that they have very well-developed vocal learning centres in their brains which allow some macaws to mimic human voices.

If this statement is true, which of the below sentences must also be true?

Macaw’s large vocal learning centre gives them the ability to make a large range of noises. All macaws are able to mimic other animal noises. Macaws learn to mimic humans only if they have interacted with humans. Visually stunning macaws are likely to mimic human voices.

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If this statement is true, which of the below sentences must also be true?