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

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

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