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

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

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