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

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

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