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

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

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