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

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

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