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

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

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