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

Example Input: Sentence: 'a sign reading butt street on the corner of a building with a no parking sign below it'. How many words contain the letter 'h' in the sentence.
Example Output: 2

Example Input: Sentence: 'a tv showing a broadcast from the weather channel'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'a baseball player swinging a bat at a ball'. How many words contain the letter 's' in the sentence.
Example Output:
2