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

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

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