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

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

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