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

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

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