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

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

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