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

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

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