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

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

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