True. An author will only mention a famous person/event assuming his/her audience will be familiar with them/it.
The Obvious A.I. to analyze 15,000 real portraits to create a realistic portrait. It used these portraits to see what a portrait should look like. Once it finished painting, it would go back and look at the examples and compare how realistic it's portrait was compared to the real portraits. This would allow for Obvious's next painting to look more realistic.
<em>She </em><em>requested</em><em> </em><em>him </em><em>that </em><em>he </em><em>wait </em><em>there </em><em>until</em><em> </em><em>she </em><em>returned</em><em>.</em>