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

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

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