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

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

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