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

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

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