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 smiling man holds out a card with color swatches'. How many words contain the letter 'i' in the sentence.

Answer: 2


Question: Sentence: 'a cat inspects a drink sitting on a table'. How many words contain the letter 'p' in the sentence.

Answer:
1