Directions: Read the following information carefully and answer the questions.

Six persons P, Q, R, S, T, and U, live in a three-floor building. The ground floor is numbered as 1, and the top floor is numbered as 3. Each floor consists of two flats, with Flat 1 west of Flat 2. Each of them likes different brands Samsung, Apple, Sony, Adidas, Dell, and Philips. U does not like Apple and Samsung. Q lives below R, who likes Sony. In the same flat number, the one who likes Apple lives immediately above the one who likes Samsung. S likes Philips and lives in a different flat number from T. The one who likes Dell lives above the floor of the one who likes Adidas. The one who likes Apple lives on a different floor from R. Q does not live in Flat 1. T lives above the floor of the one who likes Apple. At least one floor is below P. Q and U live on different floors.