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 cowgirl threw her lasso towards the horse, so she opened the front door
Example Output: not plausible

Example Input: The man became disabled, so there was no one to talk to
Example Output: not plausible

Example Input: I held the door for the woman entering behind me, so she wouldn't know I was there
Example Output:
not plausible