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

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

*GRAMMAR*
lug -> RED 
 wif -> BLUE 
 fep -> YELLOW 
 blicket -> PURPLE 
 x1 gazzer x2 -> [x1] [x2] [x2] [x1] 
 x1 dax x2 -> [x2] [x1] [x1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 