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

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

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