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

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

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