Complex sentence: In April 2012, Teng and Hauptman presented Langley Township with their "End Exploitation Langley Action Plan"; they asked the township to accept the plan's first two stages, which focused on prevention and education.
Split into simpler sentences: In April 2012, Teng and Hauptman presented Langley Township with their "End Exploitation Langley Action Plan". As part of the presentation, Teng and Hauptman asked the township to accept the plan's first two stages, which focused on prevention and education.