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

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

*GRAMMAR*
gazzer -> PINK 
 zup -> GREEN 
 kiki -> YELLOW 
 lug -> BLUE 
 x1 tufa x2 -> [x1] [x2] [x2] 
 u1 fep u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 