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

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

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