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

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

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