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

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

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