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

[Q]: 彼らはひざ、股間、腹部、腕、に怪我を負った。
[A]: They have sustained wounds to the knee, groin, abdomen and arm. 


[Q]: これらの変革は、競争力の増えたe-トレードへの反動および規制環境の変化であるが、多くの望むようにNASDAQおよびNYSEがお互いの株を取引し、市場株をつかみとる試みで、取引コストを下げ、最終的に消費者の利益となる結果となるだろう。
[A]: These changes, a reaction to increased e-trading competition and a changed regulatory environment, will result in NASDAQ and NYSE trading each other's shares and attempting to grab market share, which many hope will drive down transaction costs and ultimately benefit consumers.


[Q]: ティーンエージャーは警官に向かって手榴弾を投げたが、自分自身が傷ついた。
[A]:
The teenager allegedly shot the grenade against the policemen, but was himself hurt.