TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a kitchen with a dining room table and a sitting area'. How many words contain the letter 'r' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a group of people dressed to ski standing in the snow'. How many words contain the letter 'b' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'the tail end of a zebra going into its zoo house'. How many words contain the letter 'f' in the sentence.

SOLUTION:
1