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

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

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