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

Example Input: Sentence: 'fresh daisies in a rectangular green glass vase'. How many words contain the letter 's' in the sentence.
Example Output: 4

Example Input: Sentence: 'a very cute white dog standing by a table with food'. How many words contain the letter 'o' in the sentence.
Example Output: 2

Example Input: Sentence: 'a man scooping food from a pan near a cluttered wooden table'. How many words contain the letter 'p' in the sentence.
Example Output:
2