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

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

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