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

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

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