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

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

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