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: 'there is a group of people with horses and a wagon'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'the pigeons are walking around in the park around the benches'. How many words start with the letter 'b' in the sentence.
1

Sentence: 'a person playing tennis is making a save of a volley'. How many words start with the letter 'i' in the sentence.

1