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 woman in a white tshirt and black pants skiing down a small hill'. How many words start with the letter 'd' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a bus and a truck are pictured driving on a street'. How many words start with the letter 'a' in the sentence.

SOLUTION: 5

PROBLEM: Sentence: 'a couple of people riding on the backs of brown horses'. How many words start with the letter 'c' in the sentence.

SOLUTION:
1