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

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

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