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

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

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