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

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

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