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

Example Input: Sentence: 'a ram standing still in an empty pasture'. How many words contain the letter 'x' in the sentence.
Example Output: 0

Example Input: Sentence: 'pieces of food sit on the plate the man is holding'. How many words contain the letter 'o' in the sentence.
Example Output: 4

Example Input: Sentence: 'a bowl of oranges on a dining table'. How many words contain the letter 'v' in the sentence.
Example Output:
0