Task: Question Answering
Input (English): Problem: a certain car dealership sells economy cars, luxury cars, and sport utility vehicles. the ratio of economy to luxury cars is 3: 1. the ratio of economy cars to sport utility vehicles is 4: 3. what is the ratio of luxury cars to sport utility vehicles ?
Options: a. 9: 8, b. 4: 9, c. 3: 2, d. 2: 3, e. 1: 2
Output (English): b