*SUPPORT*
IN: tufa gazzer blicket zup gazzer OUT: YELLOW PINK YELLOW PINK YELLOW
IN: tufa blicket OUT: PINK PINK
IN: wif wif blicket OUT: RED RED RED RED
IN: fep gazzer OUT: GREEN YELLOW
IN: gazzer zup gazzer OUT: YELLOW YELLOW
IN: fep OUT: GREEN
IN: gazzer tufa zup gazzer zup tufa OUT: PINK YELLOW YELLOW PINK
IN: tufa wif zup tufa zup wif blicket OUT: RED PINK PINK RED RED PINK PINK RED
IN: fep blicket zup wif OUT: RED GREEN GREEN
IN: tufa gazzer fep OUT: PINK YELLOW GREEN
IN: wif fep blicket OUT: RED GREEN RED GREEN
IN: gazzer fep OUT: YELLOW GREEN
IN: fep fep blicket OUT: GREEN GREEN GREEN GREEN
IN: tufa OUT: PINK

*QUERY*
IN: gazzer zup tufa OUT: PINK YELLOW
IN: gazzer fep zup fep OUT: GREEN YELLOW GREEN
IN: gazzer fep zup fep zup fep OUT: GREEN GREEN YELLOW GREEN
IN: wif blicket OUT: RED RED
IN: gazzer OUT: YELLOW
IN: fep blicket OUT: GREEN GREEN
IN: wif wif OUT: RED RED
IN: wif zup tufa OUT: PINK RED
IN: gazzer zup wif dax fep OUT: GREEN RED YELLOW GREEN GREEN RED YELLOW
IN: wif OUT: RED

*GRAMMAR*
gazzer -> YELLOW 
 wif -> RED 
 tufa -> PINK 
 fep -> GREEN 
 x1 zup u1 -> [u1] [x1] 
 x1 blicket -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 