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 lighthouse with birds flying by it at a bay'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'several men having a meal outside in bright sunshine'. How many words contain the letter 'u' in the sentence.
Example Output:
2