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

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

*GRAMMAR*
gazzer -> RED 
 dax -> BLUE 
 wif -> YELLOW 
 fep -> GREEN 
 x1 lug -> [x1] [x1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 zup u2 -> [u1] [u1] [u1] [u2] [u2] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 