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

[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: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'two horses are standing behind a stone wall'. How many words contain the letter 'v' in the sentence.
[EX A]:
0