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

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

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