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: The product was heavily advertised, so it had to be good
Example Output: plausible

Example Input: The woman upgraded her computer hardware, so in order to be able to run Windows 7
Example Output: plausible

Example Input: The product was heavily advertised, so I was a little skeptical of the product
Example Output:
plausible