instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a woman standing on a beach near the water'. How many words contain the letter 'n' in the sentence.
answer:
4

question:
Sentence: 'a pair of tennis players on a tennis court'. How many words contain the letter 'u' in the sentence.
answer:
1

question:
Sentence: 'a person surfing down a river on a surf board'. How many words contain the letter 'p' in the sentence.
answer:
1