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

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

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