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 group of people waiting for the bus at a bus stop while others pass by'. How many words end with the letter 's' in the sentence.

A: 4
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Q: Sentence: 'a black and white cat sitting on top of a desk'. How many words end with the letter 't' in the sentence.

A: 1
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Q: Sentence: 'a clock tower in a town square during sunset'. How many words end with the letter 'r' in the sentence.

A:
1
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