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

Input: Consider Input: Sentence: 'a small child sitting in a seat with a bag'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a slice of pizza that is sitting on a plate on a table'. Count the occurrences of the word 'slice' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'an image of two people playing a video game'. Count the occurrences of the word 'people' in the given sentence.


Output: 1