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

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

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