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

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

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