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 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.
answer:
4


question:
Sentence: 'a man surfing a wave with both hands in the air'. How many words end with the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'a small bathroom has no towels or toilet paper'. How many words end with the letter 'a' in the sentence.
answer:

1