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

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

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