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

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

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