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

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

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