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

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

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