*SUPPORT*
IN: fep OUT: BLUE
IN: zup OUT: GREEN
IN: zup lug OUT: GREEN PINK
IN: wif OUT: PURPLE
IN: zup zup OUT: GREEN GREEN
IN: fep gazzer OUT: BLUE BLUE
IN: zup wif gazzer OUT: GREEN PURPLE PURPLE
IN: zup gazzer OUT: GREEN GREEN
IN: zup kiki wif OUT: PURPLE GREEN
IN: lug gazzer OUT: PINK PINK
IN: lug kiki wif OUT: PURPLE PINK
IN: lug gazzer blicket lug OUT: PINK PINK PINK
IN: zup kiki fep OUT: BLUE GREEN
IN: fep kiki wif OUT: PURPLE BLUE

*QUERY*
IN: zup kiki lug OUT: PINK GREEN
IN: lug wif kiki zup OUT: PINK GREEN PURPLE
IN: fep kiki lug OUT: PINK BLUE
IN: wif wif zup OUT: PURPLE PURPLE GREEN
IN: fep kiki zup OUT: GREEN BLUE
IN: fep fep blicket wif gazzer blicket lug OUT: PINK PURPLE PURPLE BLUE BLUE
IN: wif kiki lug OUT: PINK PURPLE
IN: fep fep kiki fep OUT: BLUE BLUE BLUE
IN: fep blicket wif zup wif kiki wif OUT: PURPLE GREEN PURPLE PURPLE BLUE
IN: wif zup kiki zup OUT: PURPLE GREEN GREEN

*GRAMMAR*
wif -> PURPLE 
 zup -> GREEN 
 lug -> PINK 
 fep -> BLUE 
 u1 gazzer -> [u1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 