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.

Input: Consider Input: Many neurotransmitters are synthesized from simple and plentiful precursors such as amino acids , which are readily available from the diet and only require a small number of biosynthetic steps for conversion .

Output: Many neurotransmitters are made from amino acids , which are part of your diet and it takes only a few steps to convert them .


Input: Consider Input: The Toyota Previa ( Japanese : トヨタ ・ フ ゚ レヒ ゙ ア , Toyota Purebia ) , also known as the Toyota Estima ( Japanese : トヨタ ・ エスティマ , Toyota Esutima ) in Japan , and Toyota Tarago ( Japanese : トヨタ ・ タラコ ゙ , Toyota Tarago ) in Australia , is an MPV or multi-purpose vehicle ( known as a minivan in North America ) produced by Toyota since 1990 .

Output: The Toyota Previa ( aka Toyota Estima in Japan or Toyota Tarago in Australia ) is a multi-purpose vehicle ( called " minivan " in North America ) produced by Toyota since 1990 .


Input: Consider Input: The Solar Hijri calendar ( ; ) , also called the Solar Hejri calendar or Shamsi Hijri calendar , and abbreviated as SH , is the official calendar of Iran and Afghanistan .


Output: The Solar Hijri calendar is the official calendar of Iran and Afghanistan .