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

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

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