In this task, you need to count the occurrences of the given word in the given sentence.

Sentence: 'a living room full and untidy with many household items'. Count the occurrences of the word 'a' in the given sentence.
1

Sentence: 'a baseball player holding a bat while playing a game'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'a young boy riding a skateboard across a wooden floor'. Count the occurrences of the word 'a' in the given sentence.

3