question:
To the southwest, the principality of Halych had developed trade relations with its Polish, Hungarian and Lithuanian neighbours and emerged as the local successor to Kievan Rus'.
Which neighbors did Halych develop trade relations with?

answer: yes

question:
In most countries, patents cannot be filed after prior art has been made public, and patents expire 20 years after the initial filing date, which can be up to 12 months later for filings in other countries.
How long does it take for patents to expire after being filed?

answer: yes

question:
The remaining energy is converted into heat.
What happens to the energy that an incandescent bulb does not convert into light?

answer: yes

question:
Richmond is home to several notable instances of various styles of modernism.
What architectural style was the Rice House designed in?

answer:
no