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

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

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