TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'adult men playing with flying disc at popular beach'. How many words contain the letter 'o' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a man with baskets of goods stands next to his bicycle'. How many words contain the letter 'r' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a fresh flower on a table in a piture of water'. How many words contain the letter 'n' in the sentence.

SOLUTION:
2