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

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

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