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

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

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