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.

[EX Q]: Question: If Milo calms down and his heart starts pumping less blood with each stroke, what happens to his heart rate? 
 Option1: increases 
 Option2: decreases 
 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.
[EX A]: increases

[EX Q]: Question: Evan crawls through the toxic waste dump. His Geiger counter clicks very slowly. The levels of radiation are likely 
 Option1: high 
 Option2: low 
 Explanation: The faster the clicks of a Geiger counter occur, the higher the level of radiation.
[EX A]: low

[EX Q]: Question: If plants are not able to photosynthesize then they have 
 Option1: less food 
 Option2: more food 
 Explanation: Less photosynthesis means that plants and phytoplankton produce less food.
[EX A]:
less food