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

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

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