Let `S=`
set of point inside the sqare, `T=`
set of points inside the triangles and `C=`
the set of point inside the circle, if the triangle and circle intersect
each other are contained in the square, then
A. `S nn T nn C = phi`
B. `S uu T uu C = C`
C. `S uu T uu C = S`
D. `S uu T = S nn C`