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

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

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