CLARA: Looks like a Japanese restaurant. Oh! Have you brought me to a space restaurant?

DOCTOR [OC]: People never do that, you know?

CLARA: Do what?

DOCTOR: They never put the word space in front of something just because everything's all sort of hi-tech and future-y. It's never space restaurant or space champagne or space, you know, hat. It's just restaurant, champagne or hat.

(The soldiers follow them as they walk.)

DOCTOR: Even if this was a restaurant-

CLARA: What about spacesuit?

DOCTOR: Pedant.