instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a little girl sitting on the floor reading a book'. How many words contain the letter 'n' in the sentence.
answer:
3


question:
Sentence: 'a child is lighting candles on a cake'. How many words contain the letter 't' in the sentence.
answer:
1


question:
Sentence: 'a group of people gathered around a food cart'. How many words contain the letter 'b' in the sentence.
answer:

0