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

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

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