*SUPPORT*
IN: gazzer OUT: BLUE
IN: gazzer fep dax OUT: BLUE RED
IN: dax dax kiki wif OUT: RED RED PURPLE PURPLE
IN: wif kiki dax kiki dax zup dax OUT: PURPLE RED RED RED RED RED RED
IN: dax OUT: RED
IN: gazzer zup wif OUT: BLUE PURPLE PURPLE
IN: lug zup dax zup dax OUT: GREEN RED RED RED RED
IN: gazzer gazzer zup wif OUT: BLUE BLUE PURPLE PURPLE
IN: wif fep wif zup wif zup wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif zup gazzer OUT: PURPLE BLUE BLUE
IN: wif gazzer OUT: PURPLE BLUE
IN: dax fep dax zup wif kiki wif OUT: RED RED PURPLE PURPLE PURPLE PURPLE
IN: wif wif wif zup gazzer OUT: PURPLE PURPLE PURPLE BLUE BLUE
IN: gazzer zup wif zup lug OUT: BLUE PURPLE PURPLE GREEN GREEN

*QUERY*
IN: dax lug fep wif OUT: RED GREEN PURPLE
IN: dax kiki lug OUT: RED GREEN GREEN
IN: lug fep dax OUT: GREEN RED
IN: lug dax OUT: GREEN RED
IN: lug OUT: GREEN
IN: lug fep lug kiki gazzer OUT: GREEN GREEN BLUE BLUE
IN: lug lug lug fep gazzer zup dax OUT: GREEN GREEN GREEN BLUE RED RED
IN: lug fep gazzer zup wif zup dax OUT: GREEN BLUE PURPLE PURPLE RED RED
IN: lug kiki gazzer OUT: GREEN BLUE BLUE
IN: wif OUT: PURPLE

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