*SUPPORT*
IN: gazzer zup gazzer OUT: RED RED
IN: lug OUT: PINK
IN: tufa wif zup gazzer blicket gazzer OUT: BLUE RED YELLOW RED BLUE RED YELLOW
IN: tufa fep gazzer fep wif OUT: BLUE BLUE RED BLUE BLUE RED YELLOW
IN: gazzer tufa fep wif OUT: RED BLUE RED BLUE YELLOW
IN: tufa fep gazzer fep lug OUT: BLUE BLUE RED BLUE BLUE RED PINK
IN: tufa zup wif OUT: YELLOW BLUE
IN: gazzer lug blicket tufa zup gazzer OUT: RED PINK RED BLUE RED PINK
IN: wif zup lug OUT: PINK YELLOW
IN: lug blicket tufa zup lug OUT: PINK PINK BLUE PINK
IN: tufa zup lug OUT: PINK BLUE
IN: gazzer zup lug OUT: PINK RED
IN: lug zup lug fep wif OUT: PINK PINK PINK PINK YELLOW
IN: wif zup wif OUT: YELLOW YELLOW

*QUERY*
IN: wif gazzer zup tufa OUT: YELLOW BLUE RED
IN: tufa gazzer zup tufa fep wif OUT: BLUE BLUE RED BLUE BLUE RED YELLOW
IN: lug lug zup tufa OUT: PINK BLUE PINK
IN: wif OUT: YELLOW
IN: gazzer OUT: RED
IN: tufa wif zup tufa OUT: BLUE BLUE YELLOW
IN: tufa wif fep wif OUT: BLUE YELLOW BLUE YELLOW YELLOW
IN: tufa OUT: BLUE
IN: lug zup gazzer OUT: RED PINK
IN: tufa fep lug OUT: BLUE BLUE PINK

*GRAMMAR*
gazzer -> RED 
 tufa -> BLUE 
 wif -> YELLOW 
 lug -> PINK 
 x1 fep u1 -> [x1] [x1] [u1] 
 x1 blicket x2 -> [x1] [x2] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 