*SUPPORT*
IN: lug fep lug OUT: PINK PINK
IN: kiki lug OUT: BLUE PINK
IN: kiki fep lug OUT: PINK BLUE
IN: lug lug blicket OUT: PINK PINK PINK
IN: kiki blicket OUT: BLUE BLUE
IN: lug fep kiki OUT: BLUE PINK
IN: zup lug OUT: PURPLE PINK
IN: zup blicket OUT: PURPLE PURPLE
IN: zup gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: kiki lug fep wif OUT: BLUE GREEN PINK
IN: wif OUT: GREEN
IN: lug OUT: PINK
IN: lug blicket OUT: PINK PINK
IN: wif zup blicket OUT: GREEN PURPLE PURPLE

*QUERY*
IN: lug wif OUT: PINK GREEN
IN: zup OUT: PURPLE
IN: lug gazzer OUT: PINK PINK PINK PINK PINK
IN: wif blicket OUT: GREEN GREEN
IN: lug lug gazzer OUT: PINK PINK PINK PINK PINK PINK
IN: kiki gazzer OUT: BLUE BLUE BLUE BLUE BLUE
IN: kiki lug gazzer OUT: BLUE PINK PINK PINK PINK PINK
IN: wif fep zup OUT: PURPLE GREEN
IN: zup kiki kiki OUT: PURPLE BLUE BLUE
IN: wif fep lug OUT: PINK GREEN

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