TASK DEFINITION: In this task, you will be presented with a context from an academic paper and you have to write an answerable question based on the context. Your questions can be extractive, abstractive, or yes-no questions.
PROBLEM: Following the previous works, we report the precision ($P.$), recall ($R.$) and $F_1$ scores for target recognition and targeted sentiment. 

SOLUTION: How is the effectiveness of the model evaluated?

PROBLEM: A total of 27 different genres were scraped.

SOLUTION: how many movie genres do they explore?

PROBLEM: In this paper, we work on recognizing the polarity of an affective event that is represented by a score ranging from $-1$ (negative) to 1 (positive).

SOLUTION:
What are labels available in dataset for supervision?