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: My foot went numb, so causing me to fall to the floor
Example Output: plausible

Example Input: I received a package in the mail, so I know what you mean
Example Output: not plausible

Example Input: A man cut in front of me in the long line, so I couldn't get a good look at him
Example Output:
plausible