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

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

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