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

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

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