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

Example Input: Sentence: 'a giraffe walking in the grass near a building'. How many words contain the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'a line up of surf boards on a beach'. How many words contain the letter 'd' in the sentence.
Example Output:
1