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

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

*GRAMMAR*
fep -> BLUE 
 wif -> RED 
 tufa -> PINK 
 lug -> GREEN 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 