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

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

*GRAMMAR*
gazzer -> GREEN 
 tufa -> PURPLE 
 wif -> RED 
 zup -> YELLOW 
 x1 kiki x2 -> [x1] [x2] [x2] 
 u1 dax -> [u1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 