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.

Positive Example 1 -
Input: a georgian inscription around the drum attests his name.
Output: there is a georgian inscription around the drum to confirm his name.

Positive Example 2 -
Input: it is particularly famous for the cultivation of kiwifruit.
Output: it is mostly famous for the growing of kiwifruit.

Negative Example 1 -
Input: a hunting dog refers to any dog who assists humans in hunting.
Output: a hunting dog is a dog that refers humans in hunting.

Negative Example 2 -
Input: in return , romania ceded three southern districts of bessarabia to russia and acquired dobruja.
Output: in return , romania ceded three southern districts of bessarabia to russia and acquired dobruja.

Now complete the following example -
Input: the foundations of quantum mechanics were established during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
Output: 



Output:
the base of quantum mechanics were established during the first half of the 1900s by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
the basis of quantum mechanics were well-known during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
heisenberg , planck , de broglie , einstein , bohr , schrödinger , born , von neumann , dirac , pauli , hilbert and others have established the foundations of quantum mechanics.
the foundations of quantum mechanics were set during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
the foundations of quantum mechanics were made during the first half of the 1900s by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrodinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
he foundations of quantum mechanics were established during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.
the foundations of quantum mechanics were published during the first half of the twentieth century by werner heisenberg , max planck , louis de broglie , albert einstein , niels bohr , erwin schrödinger , max born , john von neumann , paul dirac , wolfgang pauli , david hilbert , and others.