instruction:
In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.
question:
Ithiyori yokufola, iseti yoo-akukhonto oknaye izinto ezikhoyo ezininzi ezilindele ukuncedwa zizibonelelo zeenkonzo. [DIS; IEEE]
answer:
Queuing theory, a set of zero or more entities waiting to be serviced by a service facility. [DIS; IEEE]

question:
Ngoko, ukuba indlela iqinisekisiwe, umva wenqanawa uyakukhukulisekela kwindawo yokulala.
answer:
However, if the way is checked the stern will drift down towards the line of the berth.

question:
Nangona le yokugqibela ingatwabululeki, ngesizathu sobunzima bayo isebenza njengesipringi.
answer:
Though the latter is inelastic, by reason of its weight it acts as a spring.