instruction:
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.
question:
Sentence: 'a male tennis player serving the tennis ball'. How many words end with the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a person wearing blue jeans holding a cellphone near their leg'. How many words end with the letter 'n' in the sentence.
answer:
1


question:
Sentence: 'a cabinet in a kitchen that has been left open'. How many words end with the letter 'n' in the sentence.
answer:

4