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.
--------
Question: The bully stuck his foot out in front of his classmate.
The bully's classmate tripped.

Answer: effect


Question: The teenager snuck out of the house.
His parents grounded him.

Answer: cause


Question: Air pollution in the city worsened.
Factories increased their production.

Answer:
cause