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:  -Plants start growing on or near the rocks -The roots of the growing plants start to break up the rock -The plant acids dissolve the rock -The rock is broken down into smaller pieces -Erosion begins.
 Question: What is the effect of people and animals remove plants on less plants grow on the rocks.?

A: for
****
Q: 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 the moss is afflicted with a moss killing disease on more roots grow into rocks.?

A: against
****
Q: Process:  -You place aluminum cans and other products into recycling bins -Your town or a private company collect and transport the aluminum to a recycling facility -The aluminum is sorted and cleaned at the central recycling facility -The aluminum is melted down to remove coatings and inks -The melted aluminum is formed into large formations called ingots -The ingots are transported to another facility and rolled out to make them easier to manipulate -The ingots can now be turned into new aluminum products.
 Question: What is the effect of less aluminum consumed in the town on less aluminum collected by the town.?

A:
for
****