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 host served dinner to his guests, so in order to give them a taste of what was in store for them
plausible

The woman won the lottery, so she bought a yacht
plausible

My favorite song came on the radio, so I was very excited to hear this song

plausible