Given phrases that describe the relationship between two words/phrases as options, extract the word/phrase pair and the corresponding lexical relationship between them from the input text. The output format should be "relation1: word1, word2; relation2: word3, word4". Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

"As the creator of the leading app making the complete television experience including over-the-air, internet television, and video on demand available to viewers on their mobile devices it is a natural extension to make TabletTV available on the big screens."

Answer: distribution_format: to, video on demand; distribution_format: television, video on demand; distribution_format: creator, video on demand; distribution_format: app, video on demand