appropriate portfolio

which conditons are required to answer for selecting appropriate portfolio?

for example, from pra exam 3 morning Q3

objective

retern 7.4

up to 10 % alternative

at least 25% to fixed income

at least 35% sharp ratio

and, select portfolio and answer three reason.

Schweser answer is, choosing portfolio XXX becaue

return is greater than 7.4

excessive cash drag

sharp ratio 36.7

why not to mention FI and alternative here?