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:  -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 a person being strangled on the area of the windpipe is decreased.?
[A]: for


[Q]: Process:  -A fuel is heated in an oven -Above the oven is a tank of water that is sealed -The tank of water begins to boil above the oven -A the water boils steam is created -The steam is denser than air so it needs a place to go -The steam is forced out of the tank and into a piston -The piston moves up -The valve of the piston closes -The valve on the next piston opens -The steam fills the next piston, driving it up, and the other one down -
 Question: What is the effect of the skin is not so badly damaged on less power produced by the steam engine.?
[A]: none


[Q]: Process:  -People breathe and expel carbon dioxide -Engines produce carbon dioxide -Living things produce waste -Waste decomposes -Decomposition produces methane -Water evaporates -Water vapor joins the atmosphere -Carbon dioxide, water vapor and methane are greenhouse gases -
 Question: What is the effect of an increase in fuel prices on there will be less petrol consumed.?
[A]:
for