Identify the nutritionally essential, conditional, and non-essential amino acids.

a) Essential: Valine, Conditional: Proline, Non-essential: Glycine
b) Essential: Leucine, Conditional: Arginine, Non-essential: Asparagine
c) Essential: Methionine, Conditional: Cysteine, Non-essential: Tyrosine
d) Essential: Lysine, Conditional: Glutamine, Non-essential: Serine