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

Input: Consider Input: Sentence: 'a woman cutting cake while another woman is holding a plate'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a lamb front diagonal view laying in a shady area of sunny grass with front half of a sheep looking at camera on right side of photo'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a group of people are standing outside next to a plant'. Count the occurrences of the word 'a' in the given sentence.


Output: 2