<span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">My son who is in year wrote the following:</span><br style="color:rgb(20,20,20);"/><span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">I caught a fish in the cold pool.</span><br style="color:rgb(20,20,20);"/><span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">Is the above grammatically correct and natural?</span><br style="color:rgb(20,20,20);"/><span style="color:rgb(20,20,20);background-color:rgb(254,254,254);">Thanks in advance</span>