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

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

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