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: 'this is a man taking a picture with a girl'. How many words end with the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a laptop computer that is on a desk'. How many words end with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a young boy in a red shirt is on a skate board'. How many words end with the letter 'n' in the sentence.
[A]:
2