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

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

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