In this task your given two statements in Italian. 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.

Il bullone si strinse.
Avevo girato la chiave inglese.
cause

Spinsi la porta.
La porta si aprì.
effect

Spremetti lo spicchio di limone.
Il limone si spruzzò.

effect