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

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


[Q]: Sentence: 'a plate has many different types of food on it'. How many words contain the letter 'r' in the sentence.
[A]: 1


[Q]: Sentence: 'the view is from the back of a horse riding in a dry grassy field towards a pond on a sunny say'. How many words contain the letter 'e' in the sentence.
[A]:
5