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 woman on a surfboard in the water with other people standing on nearby ledge looking on'. How many words end with the letter 'a' in the sentence.

A: 2
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Q: Sentence: 'this bathroom has a washing machine in it'. How many words end with the letter 'a' in the sentence.

A: 1
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Q: Sentence: 'elderly woman looking concerned while being on the phone'. How many words end with the letter 'n' in the sentence.

A:
2
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