how much is a train ticket to san fransisco
cuanto cuesta un billete de tren a madrid
how much is a <b>train<b> ticket to <a>san fransisco<a>
cuanto cuesta un billete de <b>tren<b> a <a>madrid<a>
o o o o b-transport_type o o b-place_name i-place_name
o o o o o b-transport_type o b-place_name