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 stands and holds a brown teddy bear'. How many words start with the letter 't' in the sentence.
[A]: 1


[Q]: Sentence: 'a couple of people that are playing wii'. How many words start with the letter 'p' in the sentence.
[A]: 2


[Q]: Sentence: 'a poster advertisement for a nokia phone'. How many words start with the letter 'a' in the sentence.
[A]:
3