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

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

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