*SUPPORT*
IN: lug dax OUT: YELLOW YELLOW
IN: gazzer OUT: PINK
IN: wif tufa gazzer OUT: PINK PURPLE
IN: lug kiki gazzer tufa gazzer OUT: PINK PINK YELLOW
IN: lug kiki lug OUT: YELLOW YELLOW
IN: gazzer dax tufa lug OUT: YELLOW PINK PINK
IN: gazzer fep kiki wif OUT: PINK PURPLE RED
IN: fep kiki lug OUT: YELLOW RED
IN: lug gazzer kiki lug OUT: YELLOW YELLOW PINK
IN: wif wif dax OUT: PURPLE PURPLE PURPLE
IN: fep kiki gazzer OUT: PINK RED
IN: lug dax tufa lug OUT: YELLOW YELLOW YELLOW
IN: fep OUT: RED
IN: lug wif dax OUT: YELLOW PURPLE PURPLE

*QUERY*
IN: wif kiki wif OUT: PURPLE PURPLE
IN: wif dax tufa lug OUT: YELLOW PURPLE PURPLE
IN: wif dax OUT: PURPLE PURPLE
IN: fep dax OUT: RED RED
IN: gazzer kiki gazzer tufa gazzer OUT: PINK PINK PINK
IN: lug kiki fep OUT: RED YELLOW
IN: fep kiki wif OUT: PURPLE RED
IN: gazzer kiki gazzer OUT: PINK PINK
IN: gazzer kiki gazzer tufa fep OUT: RED PINK PINK
IN: wif OUT: PURPLE

*GRAMMAR*
lug -> YELLOW 
 gazzer -> PINK 
 wif -> PURPLE 
 fep -> RED 
 x1 tufa u1 -> [u1] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 