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:  -Water gets into cracks in rocks -The water freezes into ice -The cracks expand -Over time the rocks split -The rocks are now in smaller pieces.
 Question: What is the effect of less land available on less or slower weathering occurring.?

A: none
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Q: Process:  -A dam is built in an area prone to flooding -A large amount of rain occurs -The water builds up behind the dam -The dam opens its floodgates when it starts to get full -The water flows into a river below the dam -The dam closes its gates -The dam will occasionally open its gates again to gradually release more water -Eventually all of the floodwater will be slowly released into the river without causing any flood damage.
 Question: What is the effect of when the dam has not released water recently on water levels decrease at a dam.?

A: against
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Q: Process:  -A bird lays eggs in a nest -The parent(s) incubate the eggs -The eggs hatch -The mother (and sometimes the father) bird take care of the baby birds -The baby birds grow up and get their flight feathers -The young birds learn to fly and leave the nest -The adult birds find mates and mate.
 Question: What is the effect of Predator tries to eat more eggs on birds spend more time on nest.?

A:
against
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