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.
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Question: Question: To get the fastest reaction, raise the temperature of the reactants 
 Option1: lower 
 Option2: higher or 
 Explanation: When the temperature of reactants is higher, the rate of the reaction is faster.

Answer: higher or


Question: Question: If Mona removes more water from her cauldron of melting rock, what will happen to the melting point of that rock? 
 Option1: increase 
 Option2: decrease 
 Explanation: As the amount of water increases, the melting point of rock decreases.

Answer: increase


Question: Question: Jeff gained some blood in a car crash and was given a transfusion in the hospital to replace the blood. Jeff's blood pressure will be higher 
 Option1: when he lost the blood 
 Option2: after he had blood replaced. 
 Explanation: As blood volume in the body increases, blood pressure increases.

Answer:
when he lost the blood