| How did the people of Gilad (Gilead) know who was from Efrayim? |  They asked them to say "shibolet" (Shiboleth), which people of Efrayim mispronounced as "Sibolet" (Siboleth)  All the people of Efrayim shared a common birthmark  They looked at their identity cards  All the people of Efrayim wore the same type of clothing |