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

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

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