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

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

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