Tiago is either offering a lift or looking for one (once only).

Carmen has just met Oscar to save money and resources.

Carmen has just met Silvia to save money and resources.

Carmen has just met Elena to save money and resources.

Carmen has just met Luis to save money and resources.

Patricia is looking for a parking place to share expenses.

José is looking for a lift (daily).

Sergio is looking for a parking place to share expenses.

Almudena is either offering a lift or looking for one (daily).

Ana is looking for a parking place to share expenses.

Almudena is either offering a lift or looking for one (daily).

Alejandro has just met Carmen to save money and resources.

David is looking for a lift (daily).

Joaquin is looking for a parking place to share expenses.

Joaquin is offering his/her parking place to share expenses.

Arka is either offering a lift or looking for one (daily).

Jose has just met Daniel to save money and resources.

Sonia has just met Antonio to save money and resources.

Alba has just met Tatiana to save money and resources.