Please help me answer each question. Thank you

Q1. Point out with reasons whether the following agreements are valid or void?

A. Kamala promises Ramesh to lend $50,000 in lieu of consideration that Ramesh gets Kamala's marriage dissolve and himself marries her.

B. Sohan agrees with Mohan to sell his black horse. Unknown to both parties, the horse was dead at the time of agreement.

C. Ram sells the goodwill of his shop to Shyam for $400,000 and promises not to carry on such business forever and anywhere in

D. In an agreement between A and B there is a condition that they will not institute legal proceedings against each other without consent

E. R, who is a citizen of Canada enters into an agreement with an alien friend

Q2. Adriana is in the business of selling antique furniture. As her company has significantly increased the internet portion of the business, Adriana has determined that she does not need as much retail space as previously. She plans to sell her large downtown store and move to smaller rented premises. As Adriana is extremely busy, she is unable to do the selling herself and therefore she is considering engaging the services of a real estate agent. What are the disadvantages and advantages of using a real estate agent? What questions should Adriana ask a real estate agent before engaging his services. What legal risks are involved in using a real estate agent?

Q3. It has long been recognized that addiction to alcohol and drugs are disabilities under Human rights legislation. Should addiction to nicotine also be recognized as a disability? How would such a finding affect an employer's ability to regulate the workplace?