In this task you will be given a process, and a question. The process contains a sequence of steps that happen in order. The question asks about the effect of a certain event on another event. If the first event has a positive effect on the second event, answer with "for", if it has a negative effect, answer with "against". If there's no causal relationship between the two, answer with "none".
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Question: Process:  -Greenhouse gases are released into the air by human activities -The earth changes energy from the sun into heat -Heat rises from the ground -Greenhouse gas molecules in the atmosphere prevent the heat from going into space -The temperature of the earth increases -The temperature continues to rise and melts the polar ice caps -The temperature rises even faster.
 Question: What is the effect of More greenhouse gases are produced on polar  ice caps are getting bigger.?

Answer: against


Question: Process:  -He air we breathe contains oxygen and other gases -Once in the lungs, oxygen is moved into the bloodstream and carried through your body -At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide -Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled -Your lungs and respiratory system automatically perform this vital process, called gas exchange -
 Question: What is the effect of more polluted waterways on a greater amount of oxygen being delivered to the blood stream.?

Answer: none


Question: Process:  -Oil is gathered through mining operations -The oil is transported to stores -Oil is purchased by homeowners -Oil is placed into a stove in the house -The oil is lit on fire, and burns for a long time -The warm air off of the oil travels through the house -
 Question: What is the effect of there is more oil to buy on the price of oil increases.?

Answer:
against