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

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

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