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

Input: Consider Input: Sentence: 'a plastic container of food including chicken and broccoli'. Count the occurrences of the word 'and' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a sandwich with meat and sauce on a plate'. Count the occurrences of the word 'sauce' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a group of geese are flying low over a pond'. Count the occurrences of the word 'a' in the given sentence.


Output: 2