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 shirtless skateboarder doing tricks on his board'. How many words end with the letter 's' in the sentence.
answer:
3


question:
Sentence: 'a man on a tennis court  holding a racket'. How many words end with the letter 'n' in the sentence.
answer:
2


question:
Sentence: 'a couple of bears are playing in the water'. How many words end with the letter 'n' in the sentence.
answer:

1