If a chord, which is not a tangent, of the parabola P \( y^{2}=16 x...

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If a chord, which is not a tangent, of the parabola
P \( y^{2}=16 x \) has the equation \( 2 x+y=p \), and midpoint

W \( (h, k) \), then which of the following is (are) possible value(s) of \( p, h \) and \( k \) ?
(1) \( p=-2, h=2, k=-4 \)
(2) \( p=5, h=4, k=-3 \)
(3) \( p=-1, h=1, k=-3 \)
(4) \( p=2, h=3, k=-4 \)
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