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 seamstress pushed the threaded needle into the fabric, so there was no need for glue
Example Output: plausible

Example Input: The seamstress pushed the threaded needle into the fabric, so I didn't have to sew it
Example Output: plausible

Example Input: The pond froze over for the winter, so we didn't get to see much of it
Example Output:
plausible