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

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

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