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

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

*GRAMMAR*
lug -> PINK 
 zup -> BLUE 
 tufa -> GREEN 
 wif -> YELLOW 
 x1 fep -> [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 