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

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

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