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

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

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