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

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

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