The correct answer is option 1 i.e Trust and CommitmentKey concepts in relationship marketing:Trust:Trust is a critical factor fostering commitment among supply chain partners. The presence of trust improves measurably the chance of successful supply chain performance.Trust is a belief in the reliability.In other words, it is one party expectation that other party will behave in a certain predictable way in a given situation.Commitment :Commitment is one party in a relationship feels motivated to do business with another party.It is also defined as a long-term desire to maintain a valued relationship.A customer is committed to a supplier similarly expected loyalty from the supplier or service provider.Attraction:The attraction is a third key concept in relationship marketing.It means there should be something which makes the supplier or service provider interesting to give the customer.Attraction can be based on the financial, technological or social factor.