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

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

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