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

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

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