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

Example Input: Sentence: 'a hotel room with a nice tv and sofa setup'. How many words contain the letter 'i' in the sentence.
Example Output: 2

Example Input: Sentence: 'street signs are affixed to a utility pole'. How many words contain the letter 'u' in the sentence.
Example Output: 1

Example Input: Sentence: 'a out door shoppe in a indian country'. How many words contain the letter 'e' in the sentence.
Example Output:
1