question:
In May 2005, the first high definition video conferencing systems, produced by LifeSize Communications, were displayed at the Interop trade show in Las Vegas, Nevada, able to provide video at 30 frames per second with a 1280 by 720 display resolution.
What year was the first HD video conferencing system displayed?

answer: yes

question:
Nonetheless, the annual rate of growth of the Metropolitan Area of Mexico City is much lower than that of other large urban agglomerations in Mexico, a phenomenon most likely attributable to the environmental policy of decentralization.
What was the migration rate of Mexico City from 95-2000?

answer: no

question:
There is also an independent school Plymouth College.
What is the name of the independent school in Plymouth?

answer: yes

question:
It often deals with modern romantic and sexual relationships (and sometimes other adult themes such as work, raising children, and family) in a thoughtful and complex way.
Along with romantic and sexual relationships, family and work, what do soft adult contemporary songs sometimes discuss?

answer:
yes