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

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

*GRAMMAR*
dax -> PURPLE 
 fep -> BLUE 
 gazzer -> GREEN 
 tufa -> YELLOW 
 u1 wif x1 -> [u1] [x1] 
 u1 blicket u2 -> [u2] [u1] [u2] 
 u1 zup x1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 