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: 'two people walking under an umbrella and another group of people walking down a city sidewalk'. How many words end with the letter 'y' in the sentence.
[A]: 1


[Q]: Sentence: 'a small group of kids wear black pants and tennis shoes they stand on or hold their skateboards'. How many words end with the letter 'k' in the sentence.
[A]: 1


[Q]: Sentence: 'one man standing on a small boat as another man rows'. How many words end with the letter 's' in the sentence.
[A]:
2