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 black bear eating a carrot on top of rocks'. How many words end with the letter 'r' in the sentence.
answer:
1


question:
Sentence: 'a man and his dog are walking away from the ocean with a surfboard'. How many words end with the letter 'e' in the sentence.
answer:
2


question:
Sentence: 'a young man riding a skateboard on top of a street'. How many words end with the letter 'a' in the sentence.
answer:

3