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

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

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