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.

Yet WiFi is just the tip of the iceberg and perhaps the most simplistic offering in the technology race among hotels, which now includes robots to gather guest luggage, biometric PayTouch systems, iPads to control everything from room lighting to music, self-service kiosks for check-in and virtual reality experiences within rooms.

Answer: industry: within, virtual reality