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

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

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