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

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

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