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.

Example Input: Ububanzi bubalwa ngokwalo mzuzu xa umbindi welanga apho kudibana khona isibhakabhaka nomphezulu womhlaba.
Example Output: The amplitude is calculated for the moment when the sun's centre is on the horizon.

Example Input: Phambi kwento ebizwa ngokuba lixesha lobunzima kwi-oyile kwakusoloko kubizwa okanye kuthethwa nge- nqanawa yokuthutha ipetroyile yezigidi, eyathi ngexesha elilodwa yalindelwa ukuba isebenze ekupheleni kwale inkulungwane.
Example Output: Before the so-called oil crisis there was frequent mention of the "million-ton" tanker, which at one time was expected to enter service by the end of this century.

Example Input: Izinto ezichaphazela ingeniso nelahleko yesantya.
Example Output:
Factors affecting gain and loss of speed.