Take context from the input text and decide on the accurate relationship between 'extra' and 'Nine' from the options provided.
Options: product/material produced, original broadcaster, founded by, publisher

News Corp, Telstra and Seven West Media agreed on Tuesday to pay $2.51 billion for six years from 2017 for AFL rights, a little over a week after the NRL granted an extra free-to-air game to Nine Entertainment Co in a deal worth $925 million over five years starting in 2018.
original broadcaster