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

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

*GRAMMAR*
wif -> GREEN 
 kiki -> BLUE 
 dax -> RED 
 tufa -> YELLOW 
 u1 lug -> [u1] [u1] 
 x1 zup x2 -> [x2] [x1] 
 x1 blicket -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 