REPUBLIC OF THE PHILIPPINES, PETITIONER, VS. SPS. YU CHO KHAI AND CRISTINA SY YU, ALFONSO L. ANGLIONGTO, JR., REPRESENTED BY FELICITAS YAP VDA. DE ANGLIONGTO, THE REGISTER OF DEEDS, DAVAO CITY, AGDAO RESIDENTS ASSOCIATION, INC., NICOLAS P. SOLANAN, AND THE HEIRS OF SPOUSES AURELIO PIZARRO AND FILOMENA PIZARRO, NAMELY ROGELIO G. PIZARRO, MARIA EVELYN G. PIZARRO-SULIT, MISAEL G. PIZARRO, NORMAN PAUL PIZARRO, LUZVIMINDA G. PIZARRO, DELIA-THELMA PIZARRO DILLERA, VIRGILIO G. PIZARRO, ROSALINDA PIZARRO INGLES, JOSE ELVIN G. PIZARRO, LYDIA PIZARRO GUDANI, AND ALICIA P. LADISLA (SUBSTITUTED BY HER HEIRS, WILLIE L. LADISLA, ALEXIS P. LADISLA, ANTONIO P. LADISLA, MARIA BELEN L. UMAYAN, BENJAMIN P. LADISLA, RAMONITO P. LADISLA, FLORDELIZA L. BONTIA, LOURINDA D. DE JESUS, MARIA PLACIDA L. ALOLOD, JOSEPHINE L. ALEGUIOJO, CECILIA L. AGUIRRE, RAYMOND L. LADISLA, CAROLINE L. ADTOON, AND ARMANDO P. LADISLA), RESPONDENTS