instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a young girl plays tennis in a court with grass in the cracks'. How many words contain the letter 'w' in the sentence.
answer:
1


question:
Sentence: 'a mother and son holding wii controls in front of a christmas fireplace'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a bird flying over rocks near the water'. How many words contain the letter 'f' in the sentence.
answer:

1