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

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

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