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

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

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