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".

[Q]: 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 human activities that produce greenhouse gas atoms increase on less heat will be prevented from going into space.?
[A]: against


[Q]: Process:  -Cells obtain glucose and oxygen -The glucose and oxygen create carbon dioxide -The cells release energy -The cells don't have enough oxygen to repeat this -The cells obtain more oxygen from the air -The cells repeat this process.
 Question: What is the effect of there is a big fire on the cells obtain less oxygen from the air.?
[A]: for


[Q]: Process:  -You breathe oxygen into your body through the nose or mouth -The oxygen travels to the lungs through the windpipe -The air sacs in the lungs send the oxygen into the blood stream -The carbon dioxide in the blood stream is transferred to the air sacs -The lungs expel through the nose or mouth back into the environment.
 Question: What is the effect of the area of the windpipe is decreased on the person might feel light headed.?
[A]:
against