From all those who applied, 5 people chosen by lot will receive a prize.
応募していただいた人の中から抽選で5名様に景品をプレゼントします
○○の中で=From all
応募した人の中で=From all those who applied
抽選で選ばれる=chosen by lot
景品=prize
From all those who applied, 5 people chosen by lot will receive a prize.