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

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

*GRAMMAR*
lug -> GREEN 
 zup -> YELLOW 
 gazzer -> PURPLE 
 dax -> BLUE 
 u1 tufa u2 -> [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 