<human>: Here is a goal: To make homemade magnetic silly putty,

Which way makes more sense to accomplish this goal?

OPTIONS:
- take regular silly putty, form it into a bowl shape, put some aluminum oxide and knead till it is mixed and the texture is grainy.
- take regular silly putty, form it into a bowl shape, put some iron oxide and knead till it is mixed and the texture is grainy.
<bot>: take regular silly putty, form it into a bowl shape, put some iron oxide and knead till it is mixed and the texture is grainy.