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

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

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