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

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

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