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

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

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