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

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

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