In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

This morning's violence contrasted statements by Maj Gen William Caldwell, who claimed "Insurgents and terrorists are hitting back in an attempt to offset the success of the Iraqi government and its security forces," the general went on to say that violence had fallen by half since July, but had increased suddenly in the last two days.
今朝の暴力行為は、「イラク政府とその治安部隊の成功を相殺しようと挑戦し、反乱軍とテロリストたちは反撃している」と主張するウィリアム・コールドウェル少将による声明に対比し、将軍が更に「暴力行為は７月以降半減した」と言い募ったが、この二日間で突如増加した。

The thieves are said to be a group of teenagers.
窃盗犯は十代のグループだと言われている。

The first minister is speculated by many to be Ian Paisley, the leader of the Democratic Unionist Party.

初代首相は民主統一党党首のイアン・ペイズリーになるのではないかというのがもっぱらの予想だ。