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

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

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