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

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

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