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

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

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