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.

[Q]: Sentence: 'kids at a skateboard park riding skateboards and watching'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a colorful sculpture of an elephant in a park'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a sculptural metal clock tower with a bathtub and people depicted'. How many words start with the letter 'w' in the sentence.
[A]:
1