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 woman standing next to another woman in front of a tv'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'there is a man playing in a game of tennis'. How many words start with the letter 'i' in the sentence.
2

Sentence: 'young puppy in bathroom tearing up much toilet paper'. How many words start with the letter 'b' in the sentence.

1