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

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

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