# 1 You cannot, won't fit.
# 2 You cannot, won't fit.
# No animals which are prey to the Lion King will attend.
# 4 Make an improvised raft
The four year old will imagine it is possible because it came from an authority figure (teacher).
A professional will recognize impossibility when they encounter it because they are oriented to avoid failure.
I'd be surprised if none of your students gave this kind of answer.