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

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

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