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

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

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