In this task, you need to count the number of words in a sentence that end with the given letter. Answer with numbers and not words.

Q: Sentence: 'a zebra sharing his enclosure with a donkey'. How many words end with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a white van sits outside of a white building'. How many words end with the letter 'f' in the sentence.

A: 1
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Q: Sentence: 'a man sitting on a porch swing with a dog'. How many words end with the letter 'g' in the sentence.

A:
3
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