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

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

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