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

Example Input: Sentence: 'a man with a hat on sitting in a car with the door open and a laptop on his lap'. How many words contain the letter 'e' in the sentence.
Example Output: 2

Example Input: Sentence: 'a microwaved broccoli and cheese dish and a spoon'. How many words contain the letter 'n' in the sentence.
Example Output: 3

Example Input: Sentence: 'the elderly woman uses a video game remote near her companion'. How many words contain the letter 'x' in the sentence.
Example Output:
0