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

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

*GRAMMAR*
blicket -> YELLOW 
 fep -> GREEN 
 tufa -> PURPLE 
 wif -> BLUE 
 u1 zup u2 -> [u1] [u2] 
 x1 gazzer x2 -> [x1] [x2] [x1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 