In this task your given two statements in Estonian. 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.

Ex Input:
Ma helistasin oma sõbrale, et lobiseda.
Ma tundsin üksindust.

Ex Output:
cause


Ex Input:
Ma vabandasin oma sõbra ees.
Mu sõber andestas mulle.

Ex Output:
effect


Ex Input:
Poeg kolis kodust ära.
Ta läks kõrgkooli.

Ex Output:

cause