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

Example Input: Sentence: 'two women in an arena with a cow'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'a name and clock lit up at night'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'a woman talking on a cellphone in a building foyer'. How many words contain the letter 'd' in the sentence.
Example Output:
1