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

Example Input: Sentence: 'an elephant standing on a green grass area'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'a person standing in the kitchen with an object in hand'. How many words contain the letter 't' in the sentence.
Example Output: 5

Example Input: Sentence: 'a living room filled with furniture and a large wooden shelf'. How many words contain the letter 'e' in the sentence.
Example Output:
5