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

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

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