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

Example Input: Sentence: 'five sheep out in an open field eating straw'. How many words contain the letter 'd' in the sentence.
Example Output: 1

Example Input: Sentence: 'there is a small bowl of soup and vegetables'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'there are zoo animals on the land at the zoo'. How many words contain the letter 'q' in the sentence.
Example Output:
0