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

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

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