Problem: afghan authorities have arrested a mullah and five others for the killing of a woman accused of adultery , an official said saturday .

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A: afghan authorities arrest mullah five others for killing woman accused of adultery


Problem: rep. dennis hastert , ill. , who last year became the longest-serving republican speaker of the house , will announce friday that he will not seek reelection , republican house aides said tuesday .

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A: hastert to announce he wo n't seek reelection


Problem: transactions on listed equities at the nigerian stock exchange -lrb- nse -rrb- on tuesday maintained its four week bullish trend with petroleum marketing stocks rallying to all time high .

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A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
petroleum stocks remain toast of investors at nigerian stock exchange