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:  -Some of the rock in the ground is made of limestone -Over long periods of time rain can hit the limestone -And cause a acidic reaction -The limestone will slowly disintegrate -A large gap with be where the limestone was -Result in the cave.
 Question: What is the effect of less exercise occurs on more rain hits the limestone.?

A: none
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Q: Process:  -Pollution enters natural water sources such as rivers and lakes -The pollution negatively affects the water quality -The pollution negatively affects the health of plants and animals -The plants and animals have shorter, less healthy lives -The plants and animals do not reproduce very well -The number of plants and animals decreases over time -The quality of water gets worse and worse as there are no plants or animals to clean it -Eventually there is nothing living in the water and it is unusable -
 Question: What is the effect of there are less birds that grow into adults on less bad effects of pollution.?

A: none
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Q: Process:  -Begin the party -Partake in activities -Bring out the cake -Sing 'Happy Birthday!' -Blow out the candles -Eat the cake -Open the presents -
 Question: What is the effect of the candles did not melt before being used on a more elaborate birthday party.?

A:
for
****