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

Example Input: Sentence: 'a man and woman holding electronic devices in their hands'. How many words contain the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a parked blue and white motorcycle with a black seat'. How many words contain the letter 'd' in the sentence.
Example Output: 2

Example Input: Sentence: 'a bus stopped at an intersection waiting for the light to change'. How many words contain the letter 'e' in the sentence.
Example Output:
4