Which system of linear inequalities has the point (2, 1) in its solution set?
A
y less-than negative x + 3. y less-than-or-equal-to one-half x + 3
B
y less-than negative one-half x + 3. y less-than one-half x.
D
y less-than one-half x. y less-than-or-equal-to negative one-half x + 2