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: 'the elderly person wearing a cap is smiling'. How many words end with the letter 's' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a big orange truck driving down a street'. How many words end with the letter 'g' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'arms and hands holding onto the bars of a bicycle'. How many words end with the letter 's' in the sentence.
[EX A]:
3