Which best describes subducting slab and overriding plate

Question

Problem: Which statement best describes the subducting slab and the overriding plate at a convergent boundary between two oceanic plates?

• The subducting slab is older, colder and less dense than the overriding plate
• The subducting slab is younger, colder and more dense than the overriding plate
• The subducting slab is younger, warmer and more dense than the overriding plate
• The subducting slab is older, colder and more dense than the overriding plate