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

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

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