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

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

*GRAMMAR*
tufa -> PURPLE 
 kiki -> YELLOW 
 wif -> GREEN 
 fep -> BLUE 
 x1 lug u1 -> [x1] [x1] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 dax u2 -> [u1] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 