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 playing soccer on a field with a ball'. How many words end with the letter 'n' in the sentence.
[A]: 2


[Q]: Sentence: 'a man blowing out some candles on a cake'. How many words end with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a tennis player in a red shirt is serving the ball'. How many words end with the letter 'r' in the sentence.
[A]:
1