Patricia bought a meal for her family. she was able to choose two different side items from the list below.

side items
baked beans (b) mac and cheese (m)
corn on the cob (c) mashed potatoes (p)
green beans (g) cole slaw (s)

which of the following is a list of all the possible outcomes?
option w
[b, c] [c, g] [g, p]
[b, g] [c, m] [g, s]
[b, m] [c, p] [m, p]
[b, p] [c, s] [m, s]
[b, s][g, m][p, s]

option x
[b, c] [c, g] [g, p]
[b, g] [c, m ]g, s]
[b, m][c, p][m, b]
[b, p][c, s][m, s]
[b, s}[g, m] [p, s]

option y

[b, c]
[c, g]
[g, p]
[b, g]
[c, m]
[g, s]
[b, m]
[c, p]
[m, p]
[b, p]
[g, s]
[m, s]
[b, s]
[g, m]
[p, s]

option z

[b, c]
[c, g]
[g, p]
[b, g]
[c, m]
[g, s]
[b, m]
[c, p]
[m, p]
[b, p]
[c, s]
[m, s]
[b, s]
[c, m]
[p, s]

a. w
b. y
c. x
d. z