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

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

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