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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> GREEN 
 fep -> YELLOW 
 kiki -> PINK 
 x1 dax x2 -> [x2] [x1] 
 x1 zup x2 -> [x2] [x1] [x1] 
 x1 wif u1 -> [x1] [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 