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

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

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