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

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

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