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

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

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