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

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

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