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 people swimming out to sea on some surfboards'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'the bathroom has a shower toilet toilet paper and a sink with leaves in it'. How many words contain the letter 'v' in the sentence.
Example Output: 1

Example Input: Sentence: 'a statue thats next to an busy intersection with some buildings in the background'. How many words contain the letter 'r' in the sentence.
Example Output:
2