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

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

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