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

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

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