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

Example Input: Sentence: 'a woman sitting on top of a cement bench near a lake'. How many words contain the letter 'w' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man walking with rolling luggage and many bags'. How many words contain the letter 'g' in the sentence.
Example Output: 4

Example Input: Sentence: 'a man with long hair and a blue shirt sitting in front of a computer'. How many words contain the letter 'd' in the sentence.
Example Output:
1