Answer the questions that follow each case. Cite the applicable provision in the explanation.

1.A bought a secondhand car. He told B that he would give B half the profit of its sale if B would repair the car. B did not repair the car. A hired C to do the work and later sold the car at a profit. Does a partnership exist between A and B? Is B entitled to a profit? Explain.

2.A and B entered into an agreement to form a partnership. Because of A's refusal to comply with the agreement, B brought an action to compel the execution of a partnership contract. May A be compelled against his will to carry out the agreement or execute the partnership papers? Explain.

3.Can a partnership be a partner of another partnership? Explain.

4.Do partners in a partnership have the duty to contribute due to losses? Do they have to agree to a system of sharing losses? Explain.

5.A and B as couple, partnered with C. In the partnership agreement, since B love A so much and would not dare see her in distress in as much as the world turns upside down when she is in distress, it was proposed by B that A shall be excluded in any share for losses, if any. Is the provision valid? Explain.