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

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

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