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

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

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