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

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

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