question:
Since 1970 UK Polytechnics operated under the binary system of education along with universities.
What year did UK polytechnics start functioning in a binary education system?

answer: yes

question:
Jethro Burns, best known as half of the comedy duo Homer and Jethro, was also the first important jazz mandolinist.
What is Jethro Burns commonly known for?

answer: yes

question:
" Announcements have yet to be made on any sort of expansion plans.
At what team's game was an announcement by the AFL supposed to happen on October 30?

answer: no

question:
However, in the 19th century the situation of foreigners in Tibet grew more tenuous.
When did the British and Russian empires begin encroaching on Tibet?

answer:
yes