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 skateboarder performing tricks under the lights at night'. How many words start with the letter 'u' in the sentence.
1

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

Sentence: 'two black control panels are enclosed in leather'. How many words start with the letter 'a' in the sentence.

1