premise: Movil Access, a Grupo Salinas company, announced today that Gustavo Guzman will appoint Jose Luis Riera as company CFO of Grupo Iusacell.
hypothesis: It was announced on 7/17/2003 that Gustavo Guzman will appoint Jose Luis Riera as company CFO of Grupo Iusacell.
reason: the date is not known so it is neither but the AI marked it incorrect because it did not know what the date should be