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

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

Example Input: Sentence: 'a fire hydrant on a neighborhood street with trees and shrubs around it'. How many words contain the letter 'k' in the sentence.
Example Output: 0

Example Input: Sentence: 'multiple birds on the ground in a parking lot'. How many words contain the letter 'm' in the sentence.
Example Output:
1