Premise: Ask for Mr. Hersheimmer, and when you get him tell him to get Sir James and come on at once, as Mrs. Vandemeyer is trying to hook it.
Hypothesis: Mr. Hersheimmer and Sir James came.
Is the hypothesis entailed by the premise?

[+] yes
[+] it is not possible to tell
[+] no And the answer is:
it is not possible to tell