TASK DEFINITION: In this task your given two statements. 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.
PROBLEM: The engine of the airplane was faulty.
The airplane crashed.

SOLUTION: effect

PROBLEM: The woman got away with the crime.
She destroyed the evidence.

SOLUTION: cause

PROBLEM: Citizens hung the national flag up outside their homes.
The country was commemorating its independence.

SOLUTION:
cause