PLEASE Help!

You have this information about ΔABC, ΔDEF, and ΔGHI:

AB = GH

BC = EF = HI

m∠B = m∠D

m∠B = m∠H

Which triangles must be congruent?

-ΔABC, ΔDEF, and ΔGHI

-ΔABC and ΔDEF only

- ΔABC and ΔGHI only

-none of the triangles