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 wearing glasses collecting samples in a container in a forest'. How many words start with the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'man in winter clothes riding a snowboard on a gentle slope'. How many words start with the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'a trio of women playing the nintendo wii at a showroom'. How many words start with the letter 'a' in the sentence.
[A]:
3