Task: Question Answering
Input (English): Problem: a ranch has both horses and ponies. exactly 5 / 7 of the ponies have horseshoes, and exactly 2 / 3 of the ponies with horseshoes are from iceland. if there are 4 more horses than ponies, what is the minimum possible combined number of horses and ponies on the ranch ?
Options: a. 34, b. 38, c. 42, d. 46, e. 50
Output (English): d