*SUPPORT*
IN: zup lug OUT: BLUE PURPLE
IN: zup OUT: BLUE
IN: tufa blicket zup OUT: GREEN BLUE
IN: tufa blicket gazzer wif OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: gazzer blicket zup OUT: RED BLUE
IN: tufa gazzer wif OUT: GREEN RED GREEN RED GREEN RED GREEN RED
IN: zup blicket zup OUT: BLUE BLUE
IN: tufa blicket lug OUT: GREEN PURPLE
IN: lug blicket lug OUT: PURPLE PURPLE
IN: lug lug OUT: PURPLE PURPLE
IN: gazzer blicket lug OUT: RED PURPLE
IN: lug fep OUT: PURPLE PURPLE
IN: zup fep wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup blicket lug OUT: BLUE PURPLE

*QUERY*
IN: gazzer OUT: RED
IN: zup blicket gazzer OUT: BLUE RED
IN: tufa tufa OUT: GREEN GREEN
IN: tufa fep OUT: GREEN GREEN
IN: tufa OUT: GREEN
IN: zup gazzer wif OUT: BLUE RED BLUE RED BLUE RED BLUE RED
IN: lug OUT: PURPLE
IN: lug gazzer blicket gazzer OUT: PURPLE RED RED
IN: gazzer fep OUT: RED RED
IN: gazzer zup lug fep OUT: RED BLUE PURPLE PURPLE

*GRAMMAR*
zup -> BLUE 
 gazzer -> RED 
 tufa -> GREEN 
 lug -> PURPLE 
 u1 fep -> [u1] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 