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

Example Input: Sentence: 'a man skiing through a snowcovered street area'. How many words contain the letter 'p' in the sentence.
Example Output: 0

Example Input: Sentence: 'a big sign that is lit up near some buildings'. How many words contain the letter 'r' in the sentence.
Example Output: 1

Example Input: Sentence: 'a cup of ice cream with chocolate syrup and bananas'. How many words contain the letter 'f' in the sentence.
Example Output:
1