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

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

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