<human>: Does "Pioneer Electronics later purchased the majority stake in the format and marketed it as both LaserVision (format name) and LaserDisc (brand name) in 1980, with some releases unofficially referring to the medium as "Laser Videodisc"." correctly answer the question of Who purchased the majority stake and re-marketed the product in 1980?
OPTIONS:
- yes
- no
<bot>: yes