Examine the three pictures above. which type of relief is each? a. picture 1: sunken relief; picture 2: freestanding sculpture; picture 3: high relief b. picture 1: high relief; picture 2: sunken relief; picture 3: high relief c. picture 1: low relief; picture 2: freestanding sculpture; picture 3: high relief d. picture 1: sunken relief; picture 2: high-standing sculpture; picture 3: low relief