Explanation:

- The question asks for a term that describes something that can easily be carved without breaking.

- Option 1: Reformism - This refers to a gradual change or political reform, not related to carving or breaking.

- Option 2: Cannibal - This describes someone who eats human flesh, completely unrelated to carving or material properties.

- Option 3: Interment - This refers to burial, the act of placing someone in a grave, unrelated to carving.

- Option 4: Flexible - This refers to the ability to bend easily without breaking, making it a close fit but can also relate to carving materials like wood.