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

Example Input: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
Example Output: 1

Example Input: Sentence: 'two angles of a frosted donut with a bite taken out of the side'. How many words contain the letter 'z' in the sentence.
Example Output: 0

Example Input: Sentence: 'hand holding down the top of a blender'. How many words contain the letter 'h' in the sentence.
Example Output:
3