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

Sentence: 'a person hugging another person wearing a bow tie'. Count the occurrences of the word 'person' in the given sentence.
2

Sentence: 'a group of people standing outside in a park eating food on paper plates'. Count the occurrences of the word 'a' in the given sentence.
2

Sentence: 'a nick knack of a dog a coffee cup and a tray of food'. Count the occurrences of the word 'a' in the given sentence.

4