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

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

*GRAMMAR*
lug -> BLUE 
 wif -> GREEN 
 fep -> RED 
 tufa -> PINK 
 u1 gazzer -> [u1] [u1] [u1] [u1] [u1] 
 u1 zup u2 -> [u2] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 