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

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

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