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

Example Input: Sentence: 'a bunch of cloths are piled in the sink'. How many words contain the letter 'w' in the sentence.
Example Output: 0

Example Input: Sentence: 'a small terrier stands in the open suitcase ready to go'. How many words contain the letter 'l' in the sentence.
Example Output: 1

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