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

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

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