instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bearded man sits on a couch with an electronic device in his hand'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'a young girl is brushing her teeth  in a bathroom'. How many words contain the letter 'f' in the sentence.
answer:
0


question:
Sentence: 'a row of flower vases against a wall by a picture'. How many words contain the letter 'c' in the sentence.
answer:

1