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

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

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