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

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

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