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

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

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