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: When a star is nearing a planet, the star will be pulled into it if the gravitational force is 
 Option1: weaker 
 Option2: stronger 
 Explanation: The closer objects are to each other, the stronger the gravitational force between them.

A: stronger
****
Q: Question: If the rate of flow in a river were reduced, what would happen to the size of sediment particles being deposited on the riverbed? 
 Option1: smaller particles would be deposited 
 Option2: larger particles would be deposited 
 Explanation: The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.

A: smaller particles would be deposited
****
Q: Question: When you use a 1 horsepower drill instead of a 2 horsepower drill it is 
 Option1: more powerful 
 Option2: less powerful 
 Explanation: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.

A:
less powerful
****