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: 'two giraffes are walking down a rocky path'. How many words start with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a street sign against a smoggy palm tree filled sky'. How many words start with the letter 's' in the sentence.
[A]: 4


[Q]: Sentence: 'several craft supplies such as scissors fabric feathers and yarn'. How many words start with the letter 's' in the sentence.
[A]:
4