*SUPPORT*
IN: tufa OUT: GREEN
IN: gazzer tufa OUT: PURPLE GREEN
IN: gazzer fep wif zup wif zup OUT: PURPLE BLUE YELLOW YELLOW
IN: fep blicket gazzer OUT: BLUE PURPLE
IN: zup wif zup OUT: YELLOW YELLOW
IN: gazzer wif zup dax tufa wif tufa OUT: GREEN GREEN PURPLE YELLOW PURPLE YELLOW
IN: tufa tufa OUT: GREEN GREEN
IN: tufa fep wif tufa blicket tufa OUT: GREEN BLUE GREEN GREEN
IN: gazzer wif tufa OUT: PURPLE GREEN
IN: zup OUT: YELLOW
IN: fep blicket fep wif fep OUT: BLUE BLUE BLUE
IN: gazzer wif zup wif fep wif fep OUT: PURPLE YELLOW BLUE BLUE
IN: zup wif fep OUT: YELLOW BLUE
IN: zup gazzer dax gazzer OUT: PURPLE YELLOW PURPLE YELLOW PURPLE

*QUERY*
IN: fep wif zup OUT: BLUE YELLOW
IN: gazzer wif fep OUT: PURPLE BLUE
IN: zup gazzer dax zup blicket zup OUT: YELLOW YELLOW PURPLE YELLOW PURPLE YELLOW
IN: gazzer wif zup OUT: PURPLE YELLOW
IN: zup fep OUT: YELLOW BLUE
IN: gazzer blicket fep blicket gazzer OUT: PURPLE BLUE PURPLE
IN: zup gazzer wif fep OUT: YELLOW PURPLE BLUE
IN: gazzer OUT: PURPLE
IN: fep wif tufa wif zup OUT: BLUE GREEN YELLOW
IN: fep OUT: BLUE

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