Question 8(h) CAUSE-PURPOSE: Prevention

Consider the following word pairs:

pesticide:vermin
antidote:poison
lubricate:friction

What relation best describes these X:Y word pairs?

X prevents Y
an X and Y are two kinds in a category of actions/things/attributes
X is one step/action/part of the actions in Y
someone/something who is X cannot be Y or be in the state of Y

Correct Answer:

X prevents Y

