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

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

*GRAMMAR*
wif -> YELLOW 
 dax -> PINK 
 lug -> GREEN 
 kiki -> PURPLE 
 u1 blicket x1 -> [x1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 zup u2 -> [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 