instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a very cute white dog standing by a table with food'. How many words contain the letter 'o' in the sentence.
answer:
2


question:
Sentence: 'a child on the sand and a boat and some water'. How many words contain the letter 's' in the sentence.
answer:
2


question:
Sentence: 'a dog lying down with a blanket on top of it'. How many words contain the letter 'o' in the sentence.
answer:

5