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:  -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 more people breathe on more carbon dioxide.?
[A]: against


[Q]: Process:  -Acid rain is produced by chemicals that reach into the atmosphere -Falls onto the ground -The acid rain starts scouring rocks -Destroys vegetation -The lack of vegetation alters the surrounding environment.
 Question: What is the effect of there are rain clouds on acid rain from the river flow and kill water life.?
[A]: for


[Q]: Process:  -Water in the clouds becomes very cold -The cold water forms ice crystals -The ice crystals grow by absorbing surrounding water droplets -Form snowflakes -The snowflakes fall to the ground.
 Question: What is the effect of the cloud becomes warmer on more water in the clouds freezes.?
[A]:
against