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

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

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