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 man became disabled, so there was no contact with him
Example Output: not plausible

Example Input: The boaters set off a flare, so we didn't have to wait long
Example Output: plausible

Example Input: The product was heavily advertised, so the product became outdated
Example Output:
not plausible