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

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

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