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

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

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