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

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

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