question:
Flower evolution continues to the present day; modern flowers have been so profoundly influenced by humans that some of them cannot be pollinated in nature.
How long has flower evolution occurred?

answer: yes

question:
A later friend of Ulam's, Gian-Carlo Rota writes: "They would spend hours on end gossiping and giggling, swapping Jewish jokes, and drifting in and out of mathematical talk."
What topics of conversation would Ulam and Von Neumann typically share?

answer: yes

question:
During the year 2014/15, the market value of the endowment increased by 78 million (18%) to 512.4 million on 31 July 2015.
What was the market value of the endowment the college received on July 31, 2015?

answer: yes

question:
While Virgil was already the object of literary admiration and veneration before his death, in the Middle Ages his name became associated with miraculous powers, and for a couple of centuries his tomb was the destination of pilgrimages and veneration.
What is the entrance of the ancient Roman tunnel where "Virgil's tomb" is located also called?

answer:
no