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

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

*GRAMMAR*
blicket -> GREEN 
 kiki -> PURPLE 
 lug -> YELLOW 
 fep -> RED 
 x1 tufa x2 -> [x2] [x1] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 zup x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 