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

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

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