You are presented with the quiz "What can sunglasses protect against?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "looking at bright objects has a negative impact on the eyes" and "sunglasses help protect the eyes from glare off the river surfaces". So, what's the best answer to the question?
Select from: (I) fissures of hot, acidic water (II) rays or beams (III) Looking at sunglasses (IV) Looking at bright objects (V) Looking at dark objects (VI) Looking at newspapers (VII) enormous damage to homes (VIII) Light passing through water
Answer:
(IV)