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

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

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