  This paper presents a synthetic multimodal dataset of daily activities that
fuses video data from a 3D virtual space simulator with knowledge graphs
depicting the spatiotemporal context of the activities. The dataset is
developed for the Knowledge Graph Reasoning Challenge for Social Issues
(KGRC4SI), which focuses on identifying and addressing hazardous situations in
the home environment. The dataset is available to the public as a valuable
resource for researchers and practitioners developing innovative solutions
recognizing human behaviors to enhance safety and well-being in
