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

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

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