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

Example Input: Sentence: 'a large herd of farm animals are with a cowboy'. How many words contain the letter 'l' in the sentence.
Example Output: 2

Example Input: Sentence: 'a teddy bear that is sitting up on the ground'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'a pile of bananas oranges and pears sitting next to each other'. How many words contain the letter 'q' in the sentence.
Example Output:
0