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

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

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