TASK DEFINITION: In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.
PROBLEM: Sentence: 'a group of parked bikes sitting on the side of a road'. How many words start with the letter 'o' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a group gathering in which several people are holding frisbees'. How many words start with the letter 'g' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a young kid in a hat with a parrot on his shoulder'. How many words start with the letter 'a' in the sentence.

SOLUTION:
3