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

Example Input: Sentence: 'a glass vase with clear glass marbles in it and purple flowers coming out of the vase'. How many words contain the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'a silver television a black couch a table and some ceiling fans'. How many words contain the letter 's' in the sentence.
Example Output: 4

Example Input: Sentence: 'flowers are all around the sign that says water street'. How many words contain the letter 'k' in the sentence.
Example Output:
0