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

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

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