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

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

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