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

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

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