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

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

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