*SUPPORT*
IN: tufa OUT: PINK
IN: wif tufa fep OUT: PURPLE PINK PURPLE PINK
IN: gazzer wif OUT: YELLOW PURPLE
IN: dax fep OUT: BLUE BLUE
IN: tufa dax gazzer OUT: PINK BLUE YELLOW
IN: gazzer gazzer OUT: YELLOW YELLOW
IN: wif wif wif OUT: PURPLE PURPLE PURPLE
IN: wif gazzer fep fep OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: wif tufa OUT: PURPLE PINK
IN: tufa fep OUT: PINK PINK
IN: wif OUT: PURPLE
IN: gazzer OUT: YELLOW
IN: dax dax wif OUT: BLUE BLUE PURPLE
IN: dax fep fep OUT: BLUE BLUE BLUE BLUE

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

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