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

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

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