Q: Remove the spaces from the following sentence: Pfeiffer also constructed all the infinitesimal operators of a system of equations.
A: [Pfeifferalsoconstructedalltheinfinitesimaloperatorsofasystemofequations.]

Q: Remove the spaces from the following sentence: If a fairy story and its author (both conditions must be met) insist on the reality of the story's narrative, thus denying that it is imaginary, the story becomes occult or religious.
A: [Ifafairystoryanditsauthor(bothconditionsmustbemet)insistontherealityofthestory'snarrative,thusdenyingthatitisimaginary,thestorybecomesoccultorreligious.]

Q: Remove the spaces from the following sentence: Sailboat - the second option
A: [Sailboat-thesecondoption]

Q: Remove the spaces from the following sentence: The lyrics are different from those of Diaz and rather remote from the poem by Cuban Jose Marti which in songbooks is usually given as the original source.
A:
[ThelyricsaredifferentfromthoseofDiazandratherremotefromthepoembyCubanJoseMartiwhichinsongbooksisusuallygivenastheoriginalsource.]