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

Example Input: Sentence: 'a silver television a black couch a table and some ceiling fans'. How many words contain the letter 's' in the sentence.
Example Output: 4

Example Input: Sentence: 'a man in a tie that is looking to the side'. How many words contain the letter 'm' in the sentence.
Example Output: 1

Example Input: Sentence: 'giraffe standing next to a very tall tree in the wilderness'. How many words contain the letter 'm' in the sentence.
Example Output:
0