<prompt> Translate the following text to SwahiliAnd bicycles, once the vigorous instruments of suburban freedom, are rarely spotted in the playground; parents fear for their kids in heavy suburban traffic.  <response>: Baiskeli, wakati mmoja vyombo vyenye nguvu vya uhuru wa vitongoji, ni nadra kuonekana katika uwanja wa michezo; wazazi wanaogopa kwa watoto wao katika trafiki nzito ya vitongoji. 