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

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

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