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

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

*GRAMMAR*
wif -> YELLOW 
 dax -> BLUE 
 tufa -> GREEN 
 zup -> RED 
 x1 blicket x2 -> [x1] [x2] [x2] 
 x1 lug x2 -> [x2] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 