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 man pulls a rolling suitcase and is wearing a suit'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'a man on a surfboard in the midst of an ocean wave'. How many words start with the letter 'o' in the sentence.
[A]: 3


[Q]: Sentence: 'the girl is playing a video game in the room with two chairs'. How many words start with the letter 't' in the sentence.
[A]:
3