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

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

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