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 and her dog walk past a bike'. How many words start with the letter 'a' in the sentence.

SOLUTION: 3

PROBLEM: Sentence: 'a desk with a cross on it and candles'. How many words start with the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a large rectangular clock is surrounded by a forest of trees'. How many words start with the letter 't' in the sentence.

SOLUTION:
1