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:  -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.?
[A]: none


[Q]: Process:  -Magma cools inside the crust -Magma crystalizes -Lava cools on the surface -Lava crystalizes -Minerals dissolved in water crystlize.
 Question: What is the effect of magma is trapped underground on magma cools more slowly.?
[A]: for


[Q]: Process:  -Magma comes up to the surface of the earth -The magma cools -Particles inside the magma move closer together -Crystals are formed -The crystals contain minerals.
 Question: What is the effect of the oceans become smaller on there will be fewer crystals formed.?
[A]:
for