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

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

*GRAMMAR*
blicket -> BLUE 
 dax -> YELLOW 
 zup -> PURPLE 
 wif -> GREEN 
 u1 kiki u2 -> [u2] [u1] 
 x1 gazzer u1 -> [u1] [u1] [x1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 