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

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

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