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

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

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