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

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

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