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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> GREEN 
 fep -> RED 
 dax -> PINK 
 u1 lug u2 -> [u2] [u1] [u1] [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 