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

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

*GRAMMAR*
gazzer -> BLUE 
 wif -> GREEN 
 tufa -> YELLOW 
 lug -> PINK 
 u1 zup u2 -> [u2] [u2] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 fep x1 -> [u1] [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 