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.
--------
Question: Sentence: 'three groups of yellow flowers in vases on table'. How many words start with the letter 't' in the sentence.

Answer: 2


Question: Sentence: 'kids at a skateboard park riding skateboards and watching'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a patch of grass is growing near a fire hydrant'. How many words start with the letter 'g' in the sentence.

Answer:
2