In this task your given two statements in Vietnamese. 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]: Chúng tôi đi tàu lượn siêu tốc.
Trông nó rất vui.
[EX A]: cause

[EX Q]: Hộp đựng nhựa tan chảy.
Tôi đặt hộp đựng lên bếp nóng.
[EX A]: cause

[EX Q]: Tôi lau tay bằng khăn.
Tay tôi ướt.
[EX A]:
cause