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: 'a sign asking for witnesses is posted in front of a destroyed home'. How many words contain the letter 'y' in the sentence.
answer:
1


question:
Sentence: 'a woman holding a pink toothbrush in her right hand and toothpaste in her left'. How many words contain the letter 'p' in the sentence.
answer:

2