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

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

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