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

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

*GRAMMAR*
fep -> PURPLE 
 wif -> BLUE 
 tufa -> RED 
 zup -> GREEN 
 x1 dax x2 -> [x1] [x1] [x1] [x1] [x2] [x2] 
 u1 kiki -> [u1] [u1] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 