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

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

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