*SUPPORT*
IN: tufa gazzer dax OUT: GREEN BLUE
IN: wif gazzer dax OUT: GREEN YELLOW
IN: dax gazzer kiki OUT: PURPLE GREEN
IN: wif tufa OUT: YELLOW BLUE
IN: dax gazzer wif OUT: YELLOW GREEN
IN: dax gazzer dax OUT: GREEN GREEN
IN: tufa gazzer wif OUT: YELLOW BLUE
IN: dax blicket dax OUT: GREEN GREEN
IN: dax OUT: GREEN
IN: dax gazzer tufa OUT: BLUE GREEN
IN: dax blicket tufa zup OUT: BLUE GREEN BLUE GREEN BLUE GREEN BLUE GREEN
IN: dax blicket wif zup OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN YELLOW GREEN
IN: tufa OUT: BLUE
IN: wif OUT: YELLOW

*QUERY*
IN: wif blicket dax OUT: GREEN YELLOW
IN: kiki OUT: PURPLE
IN: kiki blicket wif OUT: YELLOW PURPLE
IN: wif gazzer tufa OUT: BLUE YELLOW
IN: tufa blicket tufa zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif gazzer wif OUT: YELLOW YELLOW
IN: kiki gazzer kiki OUT: PURPLE PURPLE
IN: kiki gazzer tufa zup OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: kiki blicket kiki OUT: PURPLE PURPLE
IN: kiki gazzer dax OUT: GREEN PURPLE

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