Which algorithm in ‘Unification and Lifting’ takes two sentences and returns a unifier?

In ‘Unification and Lifting’ the algorithm that takes two sentences and returns a unifier is ‘Unify’ algorithm.

In the context of “Unification and Lifting,” the algorithm that takes two sentences and returns a unifier is typically referred to as the Unification algorithm. Unification is a fundamental process in logic and artificial intelligence used to find a substitution that makes two expressions identical. The unifier is the substitution that achieves this identity.

In summary, the correct answer to your interview question would be: “The Unification algorithm takes two sentences and returns a unifier in the context of ‘Unification and Lifting’.”