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

Input: Consider Input: Sentence: 'a pizza with sauce and very little cheese arranged on a table'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a close up of a person sitting holding a sandwich'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a tow truck is next to a large red statue'. Count the occurrences of the word 'a' in the given sentence.


Output: 2