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:  -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 people have not removed any of the limestone on less limestone will disintegrate.?
against

Process:  -Air enters the nose or mouth and travels through the windpipe into the lungs -The lungs have a series of smaller and finer tubes and sacs -Air reaches the smallest and finest air sacs called alveoli -Oxygen travels from the alveoli into the blood -Oxygen-rich blood is carried to the heart -Oxygen-rich blood is pumped throughout the body by the heart -Cells take in the oxygen rich blood and release carbon dioxide rich blood -The carbon dioxide rich blood travels to the lungs -Carbon dioxide travels through the throat and is exhaled.
 Question: What is the effect of deep freeze in area on a greater amount of oxygen being delivered to the blood stream.?
none

Process:  -Water seeps into rocks -The water freezes and thaws -Cracks form in the rocks -Cracks also form when rocks heat up -The rocks slowly break down.
 Question: What is the effect of They climate is dry on rocks have a greater resistance.?

for