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.

Q: Question: Roger liked to hike up mountains with his telescope to get away from the lights of the city. This trip, his back is hurting him, so Roger packs a lighter-weight smaller telescope than he normally brings, but opts to climb a higher mountain than usual. In spite of getting away from the city lights and being high atop the mountain, with this smaller telescope, the amount of detail that Roger will be able to see is expected to be 
 Option1: more 
 Option2: less 
 Explanation: Larger telescopes can collect more light and see finer details than smaller telescopes.

A: less
****
Q: Question: If Mary is building a rocket and she wants it to fly as high as possible, what should she do to the mass of the rocket? 
 Option1: increase it 
 Option2: decrease it 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.

A: decrease it
****
Q: Question: A resistor with much resistance indicates it is 
 Option1: long 
 Option2: short 
 Explanation: The longer the resistor, the more resistance it has.

A:
long
****