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

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

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