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

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

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