<human>: Q: What year was the first HD video conferencing system displayed?
 A: 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.
 Does the answer correctly answer the question

OPTIONS:
- yes
- no
<bot>: yes