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

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

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