*SUPPORT*
IN: tufa lug OUT: RED RED RED RED RED
IN: wif tufa OUT: YELLOW RED
IN: dax kiki zup kiki OUT: GREEN PURPLE PURPLE
IN: wif zup wif lug blicket tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW RED RED YELLOW
IN: kiki wif OUT: PURPLE YELLOW
IN: wif OUT: YELLOW
IN: dax dax blicket kiki OUT: GREEN GREEN PURPLE PURPLE
IN: kiki blicket wif OUT: PURPLE YELLOW YELLOW
IN: dax OUT: GREEN
IN: dax kiki kiki dax blicket dax OUT: GREEN PURPLE PURPLE GREEN GREEN GREEN
IN: kiki OUT: PURPLE
IN: tufa zup wif lug blicket kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW PURPLE PURPLE RED
IN: tufa zup dax tufa tufa OUT: GREEN RED RED RED
IN: kiki zup dax OUT: GREEN PURPLE

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

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