Definition: 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.

Positive Example 1 -
Input: Ulwakhiwo neempawu zentsinga zemifuno.
Output: Construction and characteristics of vegetable fibre cordage.

Positive Example 2 -
Input: Ukuphatheka kwentsinga zemifuno
Output: Handling of vegetable fibre cordage.

Negative Example 1 -
Input: Ukuphatheka kwentsinga ezenziwe ngabantu.
Output: Handling of man-made fibre cordage.

Negative Example 2 -
Input: Ulwakhiwo neendidi.
Output: Building and types.

Now complete the following example -
Input: Ukuba umzekelo isikhephe sibaleka ngokwesantya esibekiweyo esingu-4 phambi komoya wokwenyani wesantya esibekiweyo esingu-10 umoya onguwo osebenzayo kwiseyile zawo ukuziqhubela phambili uzakuba ngu-6 wesantya esibekiweyo.
Output: If, for example, a boat is running at, say, 4 knots before a true wind of 10 knots the effective wind acting on her sails to drive her ahead is only 6 knots.