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: '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 traffic light with a red light and an arrow pointing to the right'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'a person riding a snow board on a snowy slope'. How many words start with the letter 'a' in the sentence.
[A]:
3