For acceptable order questions, go through the rules and use them to eliminate answers one by one.
Rule 1 eliminates C. There can only be one window with green and purple.
Rule 2 eliminates E. There must be two windows with rose glass.
Rule 3 eliminates D. Yellow and orange can’t go together.
Rule 4 eliminates A. Every window needs at least one of orange or purple. Window 2 has neither.
B is CORRECT. It violates no rules.
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