TASK DEFINITION: You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.
PROBLEM: Question: An increase in frequency means wavelength has 
 Option1: increased 
 Option2: decreased 
 Explanation: As wavelength increases, frequency decreases.

SOLUTION: decreased

PROBLEM: Question: If John heats a gas in his bunsen burner, what would happen to the gas particles? 
 Option1: they would move faster 
 Option2: they would move slower 
 Explanation: If the gas is heated, the particles will move faster as they gain more energy.

SOLUTION: they would move faster

PROBLEM: Question: If Milo is travelling underground and he moves deeper into the Earth, what happens to the pressure around him? 
 Option1: decreases 
 Option2: increases 
 Explanation: Pressure: Pressure increases with depth, but increased pressure raises the melting temperature, so melting of rock is less likely to occur at higher pressures.

SOLUTION:
increases