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

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

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