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

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

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