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

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

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