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".

The cook stirred the ingredients in the bowl, so it was ready to cook
plausible

The man dropped food on the floor, so he couldn't get any food
plausible

The tenant misplaced his keys to his apartment, so he had to leave the door open

plausible