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

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

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