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.

[EX Q]: Sentence: 'a public bus driving down a busy street'. How many words end with the letter 'g' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a yellow and blue fire hydrant by the curb'. How many words end with the letter 'e' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a blue bus on the street of a busy city'. How many words end with the letter 'f' in the sentence.
[EX A]:
1