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

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

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