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

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

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