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

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

*GRAMMAR*
wif -> BLUE 
 dax -> YELLOW 
 tufa -> GREEN 
 blicket -> PURPLE 
 x1 kiki x2 -> [x1] [x2] 
 u1 gazzer x1 -> [x1] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] [u2] [u2] 
 u1 x1 -> [u1] [x1] 
 