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

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

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