Task: Question Answering
Input (English): Scientists who have studied global climate changes have found that the average temperature of Earth has risen. There has also been an increase in the accumulation of atmospheric greenhouse gases. What is the goal of the scientific community in collecting this type of data?  
 (A) to understand how greenhouse gases are related to global warming (B) to decrease the temperature using fossil fuels (C) to change public attitude on using natural resources (D) to increase the amount of ice in the Arctic
Output (English): A