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

Example Input: Sentence: 'a display of bananas on rack with various aisle in background'. How many words contain the letter 'x' in the sentence.
Example Output: 0

Example Input: Sentence: 'a woman riding a motorcycle down a busy city street'. How many words contain the letter 'w' in the sentence.
Example Output: 2

Example Input: Sentence: 'a young man dressed in a sports jersey posing for the camera in a kitchen'. How many words contain the letter 'k' in the sentence.
Example Output:
1