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

[EX Q]: Sentence: 'dental personnel in dentist office standing in front of a computer screen'. How many words contain the letter 'w' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'an old motorcycle with the seat missing parked in a garage with other parts and motorcycles'. How many words contain the letter 'r' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a woman holding on to a horse at a rodeo'. How many words contain the letter 'f' in the sentence.
[EX A]:
0