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

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

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