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

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

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