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 man without a shirt riding a skateboard'. How many words start with the letter 'r' in the sentence.
1

Sentence: 'a man cuts into food being cooked on a grill'. How many words start with the letter 'o' in the sentence.
1

Sentence: 'two small dogs facing each other playing in the grass'. How many words start with the letter 'i' in the sentence.

1