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".

Process:  -When water freezes it becomes 10% bigger, or takes up 10% more space -As water expands it puts great pressure on the walls of anything containing it, including any rocks which happen to be surrounding it -The force of the pressure exerted on the rock surrounding it is enough to wedge the walls of the crack farther apart, thus expanding and deepening the crack -Clay expends when wet like ice does -This causes rock to break apart -Some plants like mosses and lichens are capable of growing without soil on bare rock -When they do this their roots penetrate pores and crevices and cause rocks to split apart as the roots force their way down through the rocks -
 Question: What is the effect of more heavy exercising on the water freezes less often.?
none

Process:  -A mine is excavated in the side of a mountain -Miners enter the mine -Miners remove the coal from the mine -The coal is placed into carts or on a conveyor belt -The coal is moved up to the surface -The coal is loaded onto a truck -The truck takes the coal to a power station.
 Question: What is the effect of miners work long hours on less carts are on a conveyor belt.?
against

Process:  -Get some seeds -Pick a spot to plant them -Dig a hole in the dirt -Put the seed in the hole -Pour some water on the seed and hole -Cover up the hole -Press down on it -Spray some plant food on it.
 Question: What is the effect of There is lake nearby on bigger amount of water received by vegetables.?

for