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

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

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