TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a young man standing in front of a laptop computer'. How many words contain the letter 'y' in the sentence.

SOLUTION: 1

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: 'this is a baby on a ski slope in the snow'. How many words contain the letter 'd' in the sentence.

SOLUTION:
0