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 woman sensed a pleasant smell, so there was no need to worry
plausible

The girl felt dizzy, so she took him to the doctor
not plausible

The man was lost, so he had nothing to do with his father

not plausible