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

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

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