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

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

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