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

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

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