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 person that is riding on a horse in a grass field'. How many words end with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a close up of a blue and yellow train at a platform'. How many words end with the letter 'd' in the sentence.

A: 1
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Q: Sentence: 'a dog is picking up a frisbee in his mouth'. How many words end with the letter 'e' in the sentence.

A:
1
****