instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'adults with helmets sitting on tricycles made for children'. How many words contain the letter 'r' in the sentence.
answer:
3


question:
Sentence: 'ancient pottery being displayed on an exhibit case'. How many words contain the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a couple of bikes leaning up next to a large building'. How many words contain the letter 'j' in the sentence.
answer:

0