A dust storm had formed in the west and the sun seemed to take up half the sky, painting the rest blood red.
The sky was red and filled with dust, so no one could see more than 100 yards.
mnli hypothesis: The sky was red and filled with dust, so no one could see more than 100 yards. premise: A dust storm had formed in the west and the sun seemed to take up half the sky, painting the rest blood red.