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

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

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