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

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

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