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

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

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