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

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

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