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

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

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