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 picture of a scene in a baseball game'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'commuter aboard bus in urban area parking lot'. How many words contain the letter 'i' in the sentence.
Example Output:
2