instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
Calvin Mooers in his TRAC language is generally credited with inventing " command substitution " , the ability to embed commands in scripts that when interpreted insert a character string into the script .
answer:
Calvin Mooers in his TRAC language is generally given credit with inventing " command substitution " .


question:
Insular dwarfism , a form of phyletic dwarfism , is the process and condition of large animals evolving or having a reduced body size when their population 's range is limited to a small environment , primarily islands .
answer:
Island dwarfism , or insular dwarfism , is the reduction in size of large animals over a number of generations .


question:
In addition to the red wig she wore to effect Tauriel 's knee-length red hair , Lilly , when given a choice of wearing small , medium or large prosthetic ears , chose the large ones , which are three times the size of the prosthetics Orlando Bloom wore as Legolas , though Lilly believed that the length of her hair would distract attention from the ears .
answer:

To look like Tauriel in the films , she wore a red wig with knee-length hair , fake ears that are three times larger than the ones Orlando Bloom wore as Legolas ( though Lilly felt that the long hair would take attention away from the ears ) .