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

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

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