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: The electrons with the _____ energy are nearest to the nucleus. 
 Option1: most 
 Option2: least 
 Explanation: Electrons at higher energy levels, which are farther from the nucleus, have more energy.

SOLUTION: least

PROBLEM: Question: If someone has a larger than average physical heart then it will beat _____ in order to pump blood. 
 Option1: more 
 Option2: less 
 Explanation: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.

SOLUTION: less

PROBLEM: Question: Stephanie had designed a machine learning algorithm to help predict earthquakes. Today, her new supercomputer arrived and she will soon run the algorithm on the more powerful computer. The new computer will _____ the accuracy of the model's predictions. 
 Option1: increase 
 Option2: decrease 
 Explanation: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.

SOLUTION:
increase