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

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

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