*SUPPORT*
IN: gazzer OUT: PINK
IN: lug tufa dax OUT: BLUE GREEN
IN: dax dax zup dax OUT: BLUE BLUE BLUE
IN: lug zup gazzer OUT: GREEN PINK
IN: lug dax OUT: GREEN BLUE
IN: gazzer fep OUT: PINK PINK PINK
IN: wif tufa gazzer OUT: PINK YELLOW
IN: lug zup wif OUT: GREEN YELLOW
IN: gazzer gazzer lug tufa gazzer OUT: PINK PINK PINK GREEN
IN: gazzer tufa gazzer OUT: PINK PINK
IN: wif wif gazzer wif zup gazzer OUT: YELLOW YELLOW PINK YELLOW PINK
IN: wif OUT: YELLOW
IN: gazzer lug OUT: PINK GREEN
IN: lug fep OUT: GREEN GREEN GREEN

*QUERY*
IN: lug zup dax OUT: GREEN BLUE
IN: dax tufa gazzer OUT: PINK BLUE
IN: wif fep OUT: YELLOW YELLOW YELLOW
IN: lug OUT: GREEN
IN: gazzer zup wif OUT: PINK YELLOW
IN: gazzer gazzer tufa gazzer OUT: PINK PINK PINK
IN: wif zup lug OUT: YELLOW GREEN
IN: dax zup dax OUT: BLUE BLUE
IN: gazzer zup lug OUT: PINK GREEN
IN: lug zup lug OUT: GREEN GREEN

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