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: 'two trains pass over the tracks over a river'. How many words end with the letter 'o' in the sentence.
answer:
1


question:
Sentence: 'a man sitting in front of a laptop computer'. How many words end with the letter 'r' in the sentence.
answer:
1


question:
Sentence: 'a couple of cows that are blocked by a fence'. How many words end with the letter 'e' in the sentence.
answer:

3