human: <image>
What is the wall made of behind the sign?
Answer the question using a single word or phrase.

gpt: brick

human: What is written on the sign?

gpt: stop harper

human: What day of the week is the sign not applicable?

gpt: saturday and sunday

human: What share are the two signs?

gpt: octagon and rectangle

human: What is the wall in the background made of?

gpt: brick

human: Is the sign hanging on the wall?

gpt: no

human: Are both signs round?

gpt: no

human: What is the color of the stop sign?

gpt: red