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

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

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