*SUPPORT*
IN: zup kiki tufa OUT: YELLOW PINK YELLOW
IN: zup kiki dax OUT: GREEN PINK GREEN
IN: tufa lug gazzer gazzer OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: lug kiki lug OUT: BLUE BLUE BLUE
IN: lug kiki lug gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup OUT: PINK
IN: dax dax OUT: GREEN GREEN
IN: tufa lug OUT: YELLOW BLUE
IN: lug kiki zup gazzer OUT: PINK BLUE PINK PINK BLUE PINK
IN: zup zup dax gazzer OUT: PINK PINK GREEN PINK PINK GREEN
IN: dax tufa zup OUT: GREEN YELLOW PINK
IN: tufa kiki dax OUT: GREEN YELLOW GREEN
IN: tufa OUT: YELLOW
IN: tufa kiki zup OUT: PINK YELLOW PINK

*QUERY*
IN: tufa kiki lug gazzer OUT: BLUE YELLOW BLUE BLUE YELLOW BLUE
IN: tufa kiki dax gazzer OUT: GREEN YELLOW GREEN GREEN YELLOW GREEN
IN: lug gazzer OUT: BLUE BLUE
IN: dax lug OUT: GREEN BLUE
IN: lug lug lug wif tufa gazzer OUT: YELLOW YELLOW YELLOW YELLOW BLUE BLUE BLUE
IN: zup dax kiki dax gazzer OUT: PINK GREEN GREEN GREEN PINK GREEN GREEN GREEN
IN: tufa dax zup kiki dax OUT: YELLOW GREEN GREEN PINK GREEN
IN: lug tufa kiki dax OUT: BLUE GREEN YELLOW GREEN
IN: dax dax zup dax tufa OUT: GREEN GREEN PINK GREEN YELLOW
IN: dax OUT: GREEN

*GRAMMAR*
zup -> PINK 
 lug -> BLUE 
 dax -> GREEN 
 tufa -> YELLOW 
 u1 kiki u2 -> [u2] [u1] [u2] 
 x1 wif x2 -> [x2] [x2] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 