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 mother elephant with a baby elephant walking down a street'. How many words end with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a street pole with signs pointing in different directions'. How many words end with the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a lap top and cds sitting on an office desk'. How many words end with the letter 'n' in the sentence.
[A]:
2