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

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

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