Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.

Q: Tagalog sentence: Ngunit ang aming guro, Bernstein, had inirerekomenda ang libro; namin ay dapat basahin ito muli.

A: But our teacher, Bernstein, had recommended the book; we must read it again.
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Q: Tagalog sentence: Ang mga pangunahing problema sa lugar na ito ay upang mahanap ang isang nonsingular algebraic iba't-ibang U, na birationally ay katumbas ng isang hindi na mababawasan algebraic iba't-ibang V, tulad na ang mapping f: UV ay regular na ngunit hindi biregular.

A: The main problem in this area is to find a nonsingular algebraic variety U, that is birationally equivalent to an irreducible algebraic variety V, such that the mapping f: U V is regular but not biregular.
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Q: Tagalog sentence: Oo, ito ay nakakatawa at matalim na may intelektwal na mataas na espiritu: yes, ang kristal kalinawan at pagkamakatarungan ay pa rin doon: yes, ito ay ang tipan ng isang creative artist.

A:
Yes, it is witty and sharp with intellectual high spirits: yes, the crystalline clarity and candour are still there: yes, it is the testament of a creative artist.
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