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

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

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