user
I went in the woods and got it, when I got it I couldn't get it out.  So I took it home with me.  What is "it"?
A: houses
B: spilnter or sawdust
C: ironwood
D: steel
E: heartwood
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>