Detailed Instructions: In this task, given a sentence in the English language, your task is to convert it into the Japanese language.
Q: Nutrient rich pollutants composed mainly of nitrogen and phosphorous come from far away places carried by rivers, and nearby the bay from farm and metropolitan runoff.
A:
主に窒素や３価のリンからなる栄養分の豊富な汚染物質は、遠くから川によって運ばれたり、湾のすぐ近くの農場や首都からの排水に含まれる。