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

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

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