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

Example Input: Sentence: 'antique fire truck restored and displayed at outdoor event'. How many words contain the letter 'x' in the sentence.
Example Output: 0

Example Input: Sentence: 'a man srufing the waves on a board in front of 3 tall pillars'. How many words contain the letter 'n' in the sentence.
Example Output: 5

Example Input: Sentence: 'there is a woman that is playing a video game'. How many words contain the letter 'n' in the sentence.
Example Output:
2