Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and spinning a four-colored spinner (red, blue, green, and yellow)?
(a) h-red, h-blue, h-green, h-yellow, t-yellow, t-green, t-blue, t-red
(b) h-red, t-red, h-blue, t-blue, h-green, t-yellow
(c) t-yellow, h-red, t-blue, h-green, t-green, h-yellow, t-red
(d) h-red, t-blue, h-green, t-yellow