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

*QUERY*
IN: wif wif lug gazzer lug OUT: YELLOW YELLOW RED RED
IN: fep wif OUT: PURPLE YELLOW
IN: fep OUT: PURPLE
IN: lug gazzer kiki OUT: GREEN RED
IN: fep gazzer kiki OUT: GREEN PURPLE
IN: kiki gazzer wif OUT: YELLOW GREEN
IN: lug OUT: RED
IN: lug fep OUT: RED PURPLE
IN: kiki gazzer lug OUT: RED GREEN
IN: wif OUT: YELLOW

*GRAMMAR*
kiki -> GREEN 
 fep -> PURPLE 
 lug -> RED 
 wif -> YELLOW 
 u1 tufa x1 -> [u1] [x1] 
 x1 zup x2 -> [x2] [x1] [x2] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 