Complex sentence: The DC-8 misinterpreted instructions on which exit to use after landing and the tower cleared the 727 for take-off before the runway was clear, the 727 then proceeded to attempt take-off rather than take evasive measures.
Split into simpler sentences: The DC-8 misinterpreted instructions on which exit to use after landing and the tower cleared the 727 for take-off before the runway was clear. The 727 then proceeded to attempt take-off rather than take evasive measures.