Complex sentence: The song sees One Direction once again teaming up with Savan Kotecha, Rami Yacoub and Carl Falk, who helmed One Direction's previous hits "What Makes You Beautiful" and "One Thing".
Split into simpler sentences: The song sees One Direction once again teaming up with Savan Kotecha, Rami Yacoub and Carl Falk. The trio both helmed the hits, "What Makes You Beautiful" and "One Thing".