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

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

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