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

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

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