A:Where were you last night , at exactly nine <MASK> ? B: nine twenty pm , I couldn't say . I cann't remember . A: Are you sure you cann't remember ? B: I've absolutely certain . A: Were you in or out ? Can you remember that ? B: I'm not quite positive . I think I went out at about half pass nine . A: Did you see anyone come into the block flats ? B: No , I didn't . A: Sure ? B: Quite sure .
twenty PM nine PM fifty PM