Definition: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Positive Example 1 -
Input: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Output: The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.

Positive Example 2 -
Input: Question: If you put a lot of energy into some food the temperature of it will 
 Answer: increase
Output: The temperature of matter increases with the added energy.

Negative Example 1 -
Input: Question: The government of Canada is considering implementing less carbon taxes across the country. If these taxes were implemented, the amount of carbon dioxide emissions in the country would be expected to 
 Answer: rise
Output: The carbon taxes encourage people to use more fossil fuel. which increase carbon dioxide emissions.

Negative Example 2 -
Input: Question: Shampoos with high ph are 
 Answer: more
Output: Lower pH numbers are less acidic and higher numbers are less acidic (also called more alkaline).

Now complete the following example -
Input: Question: In the past, solar power was _____ than it is today. 
 Answer: more expensive
Output: 


Output: Solar power is expensive, but as demand increases technology improves and costs decrease.