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

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

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