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

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

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