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

Q: Sentence: 'a train on a train track next to a concrete platform'. Count the occurrences of the word 'a' in the given sentence.

A: 3
****
Q: Sentence: 'a person taking a photo of a person brushing her teeth'. Count the occurrences of the word 'of' in the given sentence.

A: 1
****
Q: Sentence: 'a cat with a purple and red collar sitting in a bowl'. Count the occurrences of the word 'a' in the given sentence.

A:
3
****