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

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

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