Select the figure which satisfies the same conditions of placement of the dots as in Figure-X.

In fig. (X), one of the dots lies in the square alone, another dot lies in the triangle alone and the third dot lies in the region common to the circle and the square. In fig. (2) there is no region that lies in the square alone, in fig. (3) there is no region that lies in the triangle alone and in fig. (4) there is no region that lies in the region common to the circle and the square only. Only fig. (1) consists of all the three types of regions.