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

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

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