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

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

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