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 bathroom with a mirror sink towel and shower curtain'. How many words end with the letter 'a' in the sentence.
[A]: 2


[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 lady that is standing by some flowers'. How many words end with the letter 's' in the sentence.
[A]:
2