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

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

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