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

Sentence: 'a black bird sitting on a wall next to grass'. Count the occurrences of the word 'next' in the given sentence.
1

Sentence: 'two elderly ladies in a house with a dog'. Count the occurrences of the word 'with' in the given sentence.
1

Sentence: 'a boy jumping high on his skate board in front of a group of people'. Count the occurrences of the word 'a' in the given sentence.

2