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

Sentence: 'a person in a red jacket skiing along a path'. Count the occurrences of the word 'a' in the given sentence.
3

Sentence: 'two giraffes standing facing each other in an animal park'. Count the occurrences of the word 'park' in the given sentence.
1

Sentence: 'three girls sitting in a living room eating pizza'. Count the occurrences of the word 'sitting' in the given sentence.
1