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

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

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