sentences:  At this point, Silvestre fell to pieces, chewing obsessively at his mustache and talking gibberish to himself as he paced back and forth, wondering what he should do.Matters were decided for Silvestre as Krim decided to follow-up his victory at Igueriben by besieging the Annual fortress, and a few hours later his tribesmen had surrounded Annual.At that point, a panic-stricken Silvestre, who having previously underestimated Krim now swung to the other extreme, calling a council of war to announce he was ordering a general retreat back to the coast.