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

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

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