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

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

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