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

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

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