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

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

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