instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a line of portable toilets stands outdoors under trees'. How many words contain the letter 'l' in the sentence.
answer:
3


question:
Sentence: 'the jet is flying through the sky during the day'. How many words contain the letter 'i' in the sentence.
answer:
3


question:
Sentence: 'a blue traffic sign next to a parked car on a city street'. How many words contain the letter 'g' in the sentence.
answer:

1