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

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

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