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

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

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