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

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

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