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

Example Input: Sentence: 'a young man dressed like a pirate on a skateboard'. How many words contain the letter 'a' in the sentence.
Example Output: 6

Example Input: Sentence: 'an lshaped desk covered in various computers and accessories'. How many words contain the letter 'e' in the sentence.
Example Output: 5

Example Input: Sentence: 'a very tall clock tower with a statue above it'. How many words contain the letter 'w' in the sentence.
Example Output:
2