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

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

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