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

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

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