SAN FRANCISCO, Sept 25 Video gamers who live-stream their matches online and the throngs of fans who tune in daily to watch them swarmed a first-of-its kind convention in San Francisco on Friday, as interest swells in the medium of online video game broadcasting.
Refer to the input text as context and select the correct relationship between 'gamers' and 'video game' from the available options.
Options: product/material produced, business division, director/manager, stock exchange