Premise: "A young boy and girl ascending a staircase."
Based on this premise, can we conclude that the hypothesis "A brother and sister are going upstairs for bed." is true?
Options:
- yes
- it is not possible to tell
- no A step-by-step solution is:
The boy and girl may be brother and sister or just friends. They may be going upstairs for bed or just to play.
The final answer: it is not possible to tell.