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 smart phone sitting on a cloth next to a battery hooked up to another device'. How many words end with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'an elephant crosses a dirt road in front of a white truck'. How many words end with the letter 's' in the sentence.

A: 1
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Q: Sentence: 'the freight train is pulling a long line of cargo cars'. How many words end with the letter 's' in the sentence.

A:
2
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