Use reasoning to lead to the answer of the following question:
A person wants to lose mass,what steps do the take?\nOptions:\n- increase stamina\n- get fitter\n- eat healthy food\n- too fat\n- good health
 Reasoning process:
User
Get fitter is to become healthier, to be able to exercise more easily. A person wants to lose mass; he should take steps to get fitter. Therefore, the final answer is get fitter.
Assistant