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Edit the following please:

1) cleaning up of the rivers

2) Mr.X died within 7 days.

What the 2) wanted to express is: Mr.X drank in a restaurant in May.8, and he died in May.15.
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Hello Jobb

I've supplied some context in square brackets:

1) [The environment agency has begun] cleaning up the rivers [in the province].

2) Mr X died within 7 days [of drinking a glass of tap water in a local restaurant.]

MrP
Comments  
Should the 2) be:

Mr X died AFTER 7 days?