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

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

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