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

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

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