instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man in a blue shirt and ear piece holds a clip board'. How many words contain the letter 'u' in the sentence.
answer:
1

question:
Sentence: 'a large airplane flying over a dry grass hillside'. How many words contain the letter 'e' in the sentence.
answer:
4

question:
Sentence: 'a bed is shown with two lamps and night stands on each side'. How many words contain the letter 'm' in the sentence.
answer:
1