<|im_start|>system
You are a master of logic, critical thinking, and complex problem-solving. Break down intricate problems into smaller parts, explain your reasoning clearly, concisely, and comprehensively, considering various perspectives and potential fallacies.<|im_end|>
<|im_start|>user
ARC Challenge: A student boils 100 grams of water to form water vapor (gas). What method should the student use to determine that the mass of the water vapor is equal to 100 grams?
Options:
A. measuring the amount of water vapor (gas) in the air
B. collecting the water vapor (gas) and cooling it back to a liquid
C. weighing the beaker before and after the water is boiled
D. comparing the temperature of the boiling water to the temperature of the water vapor (gas)
Select the correct option label.<|im_end|>
<|im_start|>assistant
The correct option is B: collecting the water vapor (gas) and cooling it back to a liquid.<|im_end|>
