Official Rules for the Acumos AI Challenge are available here.

NO PURCHASE NECESSARY. Open to legal residents of the 50 United States, DC, Puerto Rico who are at least 18 and have reached age of majority where they reside at time of submission. Begins May 31, 2018 at 9:00 a.m. PT and ends August 5, 2018 at 11:45 p.m. PT. Subject to Official Rules. Void where prohibited. Sponsor: AT&T Services, Inc 208 S. Akard Street, Dallas, Texas 75202.