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 girl who is wearing a back pack with a teddy bear in it'. How many words start with the letter 'w' in the sentence.

SOLUTION: 3

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 man carrying his surfboard to the beach'. How many words start with the letter 'm' in the sentence.

SOLUTION:
1