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

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

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