For $A = \{1, 2, 3, 4\}$ and $B = \{1, 2, 2, 3, 4, 4, 4\}$:

Question

Accepted Answer

$A = B$

Answer

$A \subset B$ but $B 
ot\subset A$

Answer

$A 
eq B$

Answer

$A \cap B = \emptyset$

For A={1,2,3,4}A = \{1, 2, 3, 4\}A={1,2,3,4} and B={1,2,2,3,4,4,4}B = \{1, 2, 2, 3, 4, 4, 4\}B={1,2,2,3,4,4,4}: