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

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

Sentence: 'a woman standing in the dirt looking up at an elephant'. How many words contain the letter 'b' in the sentence.
0

Sentence: 'looking out a window at a tall building with a clock on the face'. How many words contain the letter 'l' in the sentence.

4