instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
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 stir fry consisting of rice broccoli and other vegetables'. How many words contain the letter 'e' in the sentence.
answer:
3

question:
Sentence: 'one leg showing wearing a white slip on shoe'. How many words contain the letter 'x' in the sentence.
answer:
0