*SUPPORT*
IN: kiki tufa OUT: RED YELLOW
IN: zup tufa dax zup OUT: PURPLE YELLOW PURPLE PURPLE YELLOW
IN: zup OUT: PURPLE
IN: lug dax tufa OUT: GREEN YELLOW GREEN
IN: zup dax kiki fep OUT: PURPLE RED PURPLE PURPLE RED PURPLE
IN: lug blicket kiki OUT: GREEN RED
IN: tufa OUT: YELLOW
IN: tufa dax lug dax zup OUT: YELLOW GREEN YELLOW PURPLE YELLOW GREEN YELLOW
IN: lug kiki blicket lug fep OUT: GREEN RED GREEN GREEN RED GREEN
IN: lug lug blicket lug OUT: GREEN GREEN GREEN
IN: kiki blicket tufa dax zup OUT: RED YELLOW PURPLE RED YELLOW
IN: tufa blicket kiki OUT: YELLOW RED
IN: lug OUT: GREEN
IN: tufa dax tufa OUT: YELLOW YELLOW YELLOW

*QUERY*
IN: kiki OUT: RED
IN: lug blicket zup fep OUT: GREEN PURPLE GREEN PURPLE
IN: lug zup blicket lug OUT: GREEN PURPLE GREEN
IN: kiki blicket tufa OUT: RED YELLOW
IN: tufa tufa fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa blicket tufa fep OUT: YELLOW YELLOW YELLOW YELLOW
IN: tufa lug OUT: YELLOW GREEN
IN: lug blicket lug OUT: GREEN GREEN
IN: lug blicket zup OUT: GREEN PURPLE
IN: lug lug fep OUT: GREEN GREEN GREEN GREEN

*GRAMMAR*
zup -> PURPLE 
 tufa -> YELLOW 
 lug -> GREEN 
 kiki -> RED 
 x1 dax u1 -> [x1] [u1] [x1] 
 x1 fep -> [x1] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 