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:  -The bird picks a tree -The bird collects twigs and other refuse -The bird makes a flat base with twigs -The bird makes sides with twigs and other things -The bird adds softer material to the inside -The nest is done.
 Question: What is the effect of less pollution in the environment on there are more trees chopped down.?

Answer: none


Question: 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.?

Answer: against


Question: Process:  -Dead organic material accumulates on the bottom of oceans, riverbeds or swamps, mixing with mud and sand -Over time, more sediment piles on top -The resulting heat and pressure transforms the organic layer into a dark and waxy substance known as kerogen -Left alone, the kerogen molecules eventually crack -The molecules break up into shorter and lighter molecules composed almost solely of carbon and hydrogen atoms -It will turn into either petroleum or natural gas -
 Question: What is the effect of no material is swept elsewhere on more kerogen will be produced.?

Answer:
for