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

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

*GRAMMAR*
lug -> GREEN 
 dax -> RED 
 fep -> BLUE 
 wif -> YELLOW 
 x1 gazzer u1 -> [u1] [x1] 
 x1 blicket x2 -> [x1] [x2] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 