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

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

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