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 girl was angry with her friend, so she went to a friend's house
Example Output: plausible

Example Input: I clumsily bumped into the stranger, so i ran away
Example Output: not plausible

Example Input: The skunk sprayed the dog, so it was just a matter of time
Example Output:
not plausible