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

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

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