The sentence which is the most objective is <span>A. My mother taught Italian lessons at the community center.
</span>It is a fact, therefore it is objective. The other sentences are somebody's opinions - stupid sisters, crazy Greek family, a real pain - these words show that it is someone's opinion, which is subjective, not objective.
1.an object made by a human being, typically an item of cultural or historical interest
2. Something observed in a scientific investigation or experiment
Sensory language I think good luck
A. Simple hope this helps! :)