My sister in law comes up to me with ice cream in her hands and asks if it's mine. I said "no, it's…

My sister in law comes up to me with ice cream in her hands and asks if it's mine. I said "no, it's your brother's if you're gonna ask anyone ask him" and then everyone obviously feels some type of way because I didn't just say yes go ahead?? I didn't say no either?? Besides your kid should ask before she just takes shit anyways 🙄