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

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

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