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

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

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