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

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

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