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.

[EX Q]: Pengemudi itu nyalakan lampu mobilnya.
Matahari telah terbenam.
[EX A]: cause

[EX Q]: Kasir itu membuka mesin kasirnya.
Pelanggan itu berikannya uang.
[EX A]: cause

[EX Q]: Pria itu telah lepaskan ikat tali sepatunya.
Sepatunya mengendur.
[EX A]:
effect