In this task your given two statements in Indonesian. 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.

Saya memanggil teman saya untuk mengobrol.
Saya merasa kesepian.
cause

Bel pintu berbunyi.
Wanita itu mengintip melalui lubang kunci di pintu.
effect

Ada sebuah lubang di celana jeans saya.
Saya tersandung di trotoar.

cause