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

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

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