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

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

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