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

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

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