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

Sentence: 'a plate of food a piece of cake and a cup of coffee are sitting on a wooden table'. Count the occurrences of the word 'of' in the given sentence.
3

Sentence: 'bowl of fruits and vegetables sits in middle of yogurt cup soy milk and containers of powder'. Count the occurrences of the word 'and' in the given sentence.
2

Sentence: 'shoe polish a toothbrush a black brush and a cloth lay on a brown wood floor'. Count the occurrences of the word 'a' in the given sentence.

4