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 sitting on the floor of a living room while a child stands on a snowboard next to him'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'a large clock that is in the middle of the forest'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'the man at the table has a lot of pizza on his plate'. How many words start with the letter 'p' in the sentence.
[A]:
2