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

Sentence: 'a man holding onto a kite for a woman in the yard'. How many words start with the letter 'o' in the sentence.
1

Sentence: 'a group of people with ties standing in a room'. How many words start with the letter 's' in the sentence.

1