In this task your given two statements. You must judge whether the second sentence is the cause or effect of the first one. Label the instances as "cause" or "effect" based on your judgment. The sentences are separated by a newline character.

The steak was difficult to cut.
The knife was dull.
cause

The man craved a cigarette.
He was addicted to nicotine.
cause

The lights in my friend's apartment were on.
I decided to pay him a visit.

effect