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

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

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