text: A man has a vision of these characters after seeing a woman in a floating basket.
full_question: A man has a vision of these characters after seeing a woman in a floating basket. In another depiction, these characters arrive from a whirlwind with "feet of brass" and reveal a different face on each side of their heads. Ezekiel and Zechariah observe analogs of these characters, one of whom instructs “do not damage the oil and the wine” while holding a pair of scales. John of Patmos describes these characters as arriving after the Lamb of God opens the first four of the seven seals. For 10 points, name these harbingers of the Last Judgment described in the Book of Revelation.
first_sentence: A man has a vision of these characters after seeing a woman in a floating basket.