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

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

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