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

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

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