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

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: 'a vase picture and a bird statue on a table'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'the flowers are in the vase parted nicely'. How many words contain the letter 'l' in the sentence.
Example Output:
2