<prompt> Translate the following text to SwahiliThe troopers behind Muller stiffened into wooden soldiers, all expression vanishing from their features until they matched each other in exact anonymity.  <response>: Wanajeshi waliokuwa nyuma ya Muller wakawa kama askari wa mbao, na nyuso zao zikapotea mpaka walipokuwa wamepatana kwa usahihi. 