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

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

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