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:  -Networks of trees start forming -The trees die off -The dead material provides nutrients for more trees -The rising trees provide shelter -And more organisms begin to thrive -The ecosystem known as a forest is made.
 Question: What is the effect of there are fewer trees to die on there is less nutritious material available for new ones.?

A: for
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Q: Process:  -Several types of gases form in the atmosphere -May come from different sources -The gases remain trapped in the atmosphere -Through the suns light the gases hold in heat and energy -Trap them in our atmosphere -The earth may become warmer this way.
 Question: What is the effect of there is less open air in the atmosphere on a greater greenhouse effect.?

A: for
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Q: 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 the bird is not nesting on less or smaller nests.?

A:
for
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