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

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

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