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

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

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