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

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

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