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

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

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