if land expands in a matters in a rock, then the stone will fix apart
igneous_rock is stone. metamorphic_rock is not stone. widening is not change_of_shape. stones is rocks_with_smooth_edges. igneous_rock is not stone. stone is not small_rock. stone is small_rock. metamorphic_rock is stone. plot_of_land is solid_ground. widening is change_of_shape.