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

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

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