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 man is eating a number of sandwiches next to a bottle of water'. How many words end with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a group of people waiting for the bus at a bus stop while others pass by'. How many words end with the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'the art figures and clock on top of the grand central terminal'. How many words end with the letter 's' in the sentence.
[A]:
1