Given a short query with keyphrases about a research idea in 2019 in the domain of artificial intelligence, recommend the relevant datasets to validate the research idea from options provided. A short description of the datasets is also provided to help you.

Query: This paper presents HigherHRNet, a novel bottom-up multi-

Keyphrases: bottom-up multi-person pose estimation images

Dataset description:
COCO: The MS COCO (Microsoft Common Objects in Context) dataset is a large-scale object detection, segmentation, key-point detection, and captioning dataset. The dataset consists of 328K images.
MLFP: The MLFP dataset consists of face presentation attacks captured with seven 3D latex masks and three 2D print attacks. The dataset contains videos captured from color, thermal and infrared channels.
OmniArt: Presents half a million samples and structured meta-data to encourage further research and societal engagement.
ReferItGame: The ReferIt dataset contains 130,525 expressions for referring to 96,654 objects in 19,894 images of natural scenes.

Options:- A: COCO  B: MLFP  C: OmniArt  D: ReferItGame
COCO