TASK DEFINITION: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
PROBLEM: its symbol is " $ " , with " rd $ " used when distinction from other pesos -lrb- or dollars -rrb- is required ; its iso 4217 code is " dop ".

SOLUTION: its symbol is " $ " , with " rd $ " used when a need to tell it from other pesos -lrb- or dollars -rrb- is required ; its iso 4217 code is " dop ".

PROBLEM: the administration of the port is carried out by the karachi port trust which was established in the nineteenth century.

SOLUTION: the karachi port trust administers the port.

PROBLEM: though his father wanted him to continue his training as a goldsmith , he showed such a precocious talent in drawing that he started as an apprentice to michael wolgemut at the age of fifteen in 1486.

SOLUTION:
at 15 he started as an apprentice to michael wolgemut in 1486 , although his father wanted him to continue his training as a goldsmith.