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

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

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