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

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

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