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 tennis player at the us open walking off the court'. How many words end with the letter 's' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a fresh gourmet vegetable pizza straight from the oven'. How many words end with the letter 'h' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a tennis player is holding his tennis racquet up'. How many words end with the letter 's' in the sentence.
[EX A]:
4