In this task, you are given a premise sentence, two possible options and a question word. If the question was cause you should select the option that is a possible cause of the premise sentence, and if the question word was effect you should find the option which is a possible effect of the premise sentence. Answer with "A" or "B".

The driver turned on the car's headlights. (A) He heard thunder. (B) The sun went down., Question: cause
B

The bartender refused to serve the patron. (A) The patron was alone. (B) The patron was drunk., Question: cause
B

The boy mimicked his older brother. (A) The boy looked up to his older brother. (B) The boy wrestled with his older brother., Question: cause

A