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

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

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