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

Sentence: 'the man with many graphic novels on a display table is on a cell phone'. Count the occurrences of the word 'a' in the given sentence.
2

Sentence: 'a small pizza being cut with a pizza cutter'. Count the occurrences of the word 'pizza' in the given sentence.
2

Sentence: 'a black train is on a train track near some foothills'. Count the occurrences of the word 'a' in the given sentence.

2