TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'black and white photo of old man riding a motorcycle'. How many words contain the letter 'n' in the sentence.

SOLUTION: 3

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

SOLUTION: 0

PROBLEM: Sentence: 'a woman putting a pizza in an industrial sized pizza oven'. How many words contain the letter 'r' in the sentence.

SOLUTION:
1