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

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

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