solve this problem. Double check your answer

Four partners are dividing a plot of land among themselves using the lone-divider method. After the divider D divides the land into four shares s,, Ss. , $3, and s4, the choosers C,, C, and C3 submit the following bids: C,: {s3}; Co: {83, 84}; C3: {S3,84}. For each of the divisions in parts (a) through (d) below, determine if it is a fair division or not. If not, explain why not. (a) D gets s,;s4, $3, and sy are recombined into a single piece that is then divided fairly among C,, C2, and C3 using the lone-divider method for three players. Determine if it is a fair division or not. Choose the correct answer below. A. This is a fair division. B. Not fair; sy is not present in any of the bid lists. C. This is not a fair division; S, is not one of the fair shares for D. D. This is not a fair division; {S4,83,S9} may be worth less than 75% to Cy and C3