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

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

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