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

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

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