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

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

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