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

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

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