Which sentence is grammatically correct?

February 25, 2019

By LiseAlves, Senior Contributing Reporter

RIO DE JANEIRO, BRAZIL - Exactly one month after Brazil's most deadly mining disasters, firefighters and volunteers still search for at least 131 people still missing under tons of mud left behind alter adam in the Feijão mining complex, owned by Brazilian giant, Vale, gave way on January 25th. So far 179 corpses have been retrieved and identified.

"The search starts at 5 am, when the teams get up. At 6:30 am, we gather for directions, a safety briefing and guidelines of what will be done throughout the day. The teams are then taken into the field," firefighter Lt. Col. Anderson Passos tells journalists.

"At the end of the day, when lhe teams return, they give us feedback on how the search went. We then hold a meeting to plan the next day and everything repeats itself," concluded the official.

(Adapted from: https:/iriolimesonline. com/brazl!-news/rio-politics/month-after-brumadinho-dam-tragedy-131-still-míssing/)