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

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

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