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 police aimed their weapons at the fugitive, so they were able to kill
not plausible

The book was deemed inappropriate for children, so I had to sign off
plausible

The seamstress pushed the threaded needle into the fabric, so I didn't have to sew it

plausible