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

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

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