In this task, you need to count the number of words in a sentence that contain the given letter

Input: Consider Input: Sentence: 'two cakes on a table with a piece missing out of one'. How many words contain the letter 'h' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'a woman with a green umbrella crosses the wet street'. How many words contain the letter 'q' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'a bird is standing on the edge of a book'. How many words contain the letter 'o' in the sentence.
Output: 3