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

Example Input: Sentence: 'skate boarder trying to maintain his balance during stunt'. How many words contain the letter 'w' in the sentence.
Example Output: 0

Example Input: Sentence: 'several people sitting around a table eating pizza'. How many words contain the letter 'u' in the sentence.
Example Output: 1

Example Input: Sentence: 'a plate with a sandwich chips pickle and a beer'. How many words contain the letter 'j' in the sentence.
Example Output:
0