TASK DEFINITION: In this task, you will be given two sentences separated by ", so". You should decide whether the first sentence can be the cause of the second sentence. If you can see a possible causation, answer with "plausible", otherwise answer with "not plausible".
PROBLEM: We found empty seats in the theatre, so we sat down

SOLUTION: plausible

PROBLEM: I came upon a puddle on the sidewalk, so I got back in the car

SOLUTION: plausible

PROBLEM: The tenant misplaced his keys to his apartment, so he couldn't go back to his home

SOLUTION:
plausible