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.

Sentence: 'a person is sitting in the grass on a motorcycle'. How many words start with the letter 'i' in the sentence.
2

Sentence: 'a large group of motorcyclists waiting in the street'. How many words start with the letter 'g' in the sentence.
1

Sentence: 'a surfer waits at the waters edge on a rocky beach'. How many words start with the letter 'w' in the sentence.

2