Quid pro quo means "a favor for a favor." Which of the following situations is the best example of a Quid pro quo?

A relationship that understands the value of healthy give and take balance and thus is likely to be successful because both partners respect, value and understand each other.

Quid pro quo is a Latin phrase meaning "something for something" or "a favor in return for a favor." It describes a reciprocal exchange where both parties give and receive something.

The best example is:

A relationship that understands the value of healthy give and take balance and thus is likely to be successful because both partners respect, value and understand each other.

Why the others are incorrect:

• Israel used to be India's third-largest supplier, but today it is the fifth-largest. — This is just a statement about trade rankings.
• It refers to a direct financial flow from a parent company to an overseas firm that it controls. — This describes Foreign Direct Investment (FDI).
• India needs fighter planes, but France is not ready to sell fighter planes to India. — There is no exchange of favors here.