Two sets A and B are as under:
A={(a,b)ϵR×R:|a−5|<1 and |b−5|<1};
B={a,b)ϵR×R:4(a−6)2+9(b−5)2≤36}. Then.

A. Neither A⊂B not B⊂A
B. A∩B=Φ (an empty set)
C. B⊂A
D. A⊂B