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

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

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