instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a black and white photo of a very crowded tropical beach'. How many words contain the letter 'p' in the sentence.
answer:
2

question:
Sentence: 'a girl is ready to serve the ball on a clay court'. How many words contain the letter 'd' in the sentence.
answer:
1

question:
Sentence: 'on a road group of people with their luggage'. How many words contain the letter 'd' in the sentence.
answer:
1