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

[EX Q]: Sentence: 'man and woman posing for picture before prom'. How many words contain the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a bunch of people in a big field filled with bananas'. How many words contain the letter 'r' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'two dogs and a cat on a boat at edge of water'. How many words contain the letter 'o' in the sentence.
[EX A]:
5