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

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

*GRAMMAR*
tufa -> YELLOW 
 kiki -> PINK 
 fep -> BLUE 
 lug -> GREEN 
 u1 dax u2 -> [u1] [u2] [u1] [u2] [u1] [u2] 
 x1 wif x2 -> [x2] [x1] [x1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 