Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Relationship: 'present at', Argument/Subject 1: 'poster', Argument/Subject 2: 'international aid conference'
Poster presented at the 15th International AIDS Conference , Bangkok .

Relationship: 'focus on', Argument/Subject 1: 'center', Argument/Subject 2: 'education'
The Council for Exceptional Children sponsors the Center for Special Education Technology , which focuses on technological equity for students with physical , sensory , and learning handicaps .

Relationship: 'report to', Argument/Subject 1: 'director', Argument/Subject 2: 'president'

Director of Unit Business reports directly to the President .