*SUPPORT*
IN: fep wif dax OUT: PINK GREEN GREEN
IN: fep fep gazzer OUT: PINK PINK PINK PINK
IN: zup gazzer OUT: BLUE BLUE BLUE
IN: fep tufa wif OUT: GREEN PINK
IN: fep tufa zup OUT: BLUE PINK
IN: lug OUT: YELLOW
IN: lug gazzer OUT: YELLOW YELLOW YELLOW
IN: lug tufa lug OUT: YELLOW YELLOW
IN: lug tufa fep OUT: PINK YELLOW
IN: wif gazzer OUT: GREEN GREEN GREEN
IN: lug dax OUT: YELLOW YELLOW
IN: fep lug dax OUT: PINK YELLOW YELLOW
IN: zup OUT: BLUE
IN: lug zup dax OUT: YELLOW BLUE BLUE

*QUERY*
IN: zup zup gazzer OUT: BLUE BLUE BLUE BLUE
IN: zup wif lug OUT: BLUE GREEN YELLOW
IN: fep gazzer OUT: PINK PINK PINK
IN: fep tufa lug OUT: YELLOW PINK
IN: wif dax OUT: GREEN GREEN
IN: wif OUT: GREEN
IN: fep OUT: PINK
IN: wif zup wif OUT: GREEN BLUE GREEN
IN: fep dax OUT: PINK PINK
IN: zup dax OUT: BLUE BLUE

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