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

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

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