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

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

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