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

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

*GRAMMAR*
gazzer -> BLUE 
 wif -> GREEN 
 tufa -> RED 
 dax -> PINK 
 u1 blicket u2 -> [u2] [u1] [u1] 
 x1 lug u1 -> [u1] [x1] 
 u1 fep x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 