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

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

*GRAMMAR*
tufa -> PURPLE 
 lug -> GREEN 
 kiki -> BLUE 
 dax -> RED 
 u1 fep -> [u1] [u1] 
 x1 wif x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 