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

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

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