You are presented with the quiz "What is The Euphrates larger than?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "rivers are usually larger than streams" and "and the fourth river is the Great River, the river Euphrates". So, what's the best answer to the question?

Pick your answer from:
1). ocean.
2). planet.
3). trees.
4). sea.
5). Inches.
6). Sediment.
7). stream.
8). Length.
The answer is:
7).