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

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

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