*SUPPORT*
IN: tufa blicket zup wif OUT: GREEN PURPLE PURPLE
IN: tufa wif zup gazzer OUT: RED PURPLE GREEN
IN: wif gazzer zup tufa OUT: PURPLE GREEN RED
IN: gazzer blicket OUT: RED RED
IN: wif wif blicket OUT: GREEN GREEN GREEN
IN: wif blicket zup gazzer OUT: RED GREEN GREEN
IN: lug gazzer OUT: BLUE RED
IN: gazzer blicket zup lug zup lug OUT: BLUE BLUE RED RED
IN: wif zup gazzer OUT: RED GREEN
IN: wif OUT: GREEN
IN: gazzer OUT: RED
IN: lug fep gazzer zup wif OUT: BLUE GREEN RED BLUE GREEN RED GREEN RED
IN: gazzer zup wif OUT: GREEN RED
IN: lug OUT: BLUE

*QUERY*
IN: wif lug zup wif OUT: GREEN GREEN BLUE
IN: tufa gazzer OUT: PURPLE RED
IN: wif blicket OUT: GREEN GREEN
IN: lug blicket OUT: BLUE BLUE
IN: wif tufa blicket OUT: GREEN PURPLE PURPLE
IN: gazzer wif OUT: RED GREEN
IN: gazzer wif wif gazzer tufa blicket zup gazzer OUT: RED RED GREEN GREEN RED PURPLE PURPLE
IN: tufa blicket OUT: PURPLE PURPLE
IN: tufa blicket fep tufa OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: tufa OUT: PURPLE

*GRAMMAR*
wif -> GREEN 
 lug -> BLUE 
 gazzer -> RED 
 tufa -> PURPLE 
 x1 fep x2 -> [x1] [x2] [x1] [x2] [x2] 
 x1 zup u1 -> [u1] [x1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 