I'd played this game before in domestic FC when I was in row 2. As I was boarding the passenger in 1A was standing up to go to the bathroom. I sit in 2A but a woman's handbag is in my foot area. I placed the bag on 1A and the passenger came back from the rest room and again placed it under her seat, I remove it and put it on the drinks console between the seats and tell her that's not her seat's space. The lady tells me there's no room for her bag as she is in the bulkhead and as she starts to place the bag under the seat again an FA in the aisle points and says, "that will need to go up here" grabbing it and putting it in the overhead