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

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

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