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

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

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