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

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

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