{'mariana trench': [2, 0, 0, 3], 'japan trench': [0, 0, 0, 1], 'java trench': [0, 0, 0, 1], 'aleutian trench': [1, 0, 0, 1], 'greatest depth': [0, 0, 0, 1], 'oceans': [8, 1, 8, 19]}