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

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

*GRAMMAR*
tufa -> RED 
 lug -> PURPLE 
 dax -> GREEN 
 blicket -> BLUE 
 u1 wif x1 -> [x1] [x1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 