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

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

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