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".

Example Input: I stood on one foot, so I could see her face
Example Output: not plausible

Example Input: I clumsily bumped into the stranger, so I could get to know her better
Example Output: plausible

Example Input: The nurse prepared the needle for the patient's injection, so there was no need for an emergency
Example Output:
plausible