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 boy murmured his reply to his mother, so causing him to look up
not plausible

I planted the seeds in the soil, so they would grow
plausible

I pushed the pendulum, so I think I'll be ok

not plausible