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

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

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