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

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

*GRAMMAR*
wif -> PURPLE 
 gazzer -> GREEN 
 zup -> YELLOW 
 lug -> PINK 
 u1 kiki u2 -> [u1] [u2] 
 x1 dax -> [x1] [x1] 
 x1 tufa u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 