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

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

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