In a room, there are three people: Elara, Faizan, and Graciela. Elara is standing against one wall, looking straight ahead across the room. Faizan is standing perpendicular to Elara, against the wall to Elara's right, also looking directly ahead across the room. Graciela is standing in the exact center of the room. There is a tall lamp which is exactly the same height as Elara standing right in front of her, obscuring her view. Given these positions, can Faizan see Graciela, and can Graciela see Elara's face?

Provide a very brief response.
Faizan can see Graciela because there is no mention of any obstruction along the line of sight between Faizan and Graciela. Faizan is looking straight ahead across the room, and since Graciela is in the center of the room, she would be visible to him. Graciela, however, cannot see Elara's face because the tall lamp is directly in front of Elara, and since it is the same height as Elara, it fully obstructs Graciela's view of Elara's face from the center of the room.