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".

The group overlooked the woman's faux pas, so in order to get a glimpse of what was going on
not plausible

The papers were disorganized, so we had to go with them
not plausible

The boy murmured his reply to his mother, so in order to get a better understanding of what was going on in his life

not plausible