human
Question: Hi! I'm Tom.This is my pencil box. It's orange. My ruler is blue and red .It's in the pencil-box. That is a pencil. It's black. It is not my pencil. It's Lucy's. The white eraser is Bob's. I call Bob at 789-6943. It is his telephone number. _  is blue and red.

Choices:
A) Tom's ruler
B) Tom's pencil-box
C) Bob's eraser
D) Lucy's pencil
gpt
The correct answer is 0: Tom's ruler.