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

Input: Consider Input: Sentence: 'a female in a blue shirt a cat and a plate'. Count the occurrences of the word 'a' in the given sentence.

Output: 4


Input: Consider Input: Sentence: 'a traffic light above a street near a building'. Count the occurrences of the word 'above' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'four trains sit on tracks in a rail yard in a city'. Count the occurrences of the word 'a' in the given sentence.


Output: 2