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

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

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