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 photographer got the child to smile, so it was a win-win situation for both of us
plausible

The girl found the missing puzzle piece, so this is what we came up with

plausible