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

Example Input: Sentence: 'a pair of zebras looking towards the camera in a barren field'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'a man showing a piece of hardware he took apart'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'two people preparing to surf in clear beach water'. How many words contain the letter 'x' in the sentence.
Example Output:
0