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

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

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