Question: Arie Supriyatna's birth country was one participant in a Commission of Truth and Friendship. Who is the president of the other country that participated?

Knowledge 1: Arie Supriyatna
Arie Supriyatna (born on December 25, 1984) is an Indonesian footballer who currently plays for PSMS Medan in the Indonesia Super League. [SEP] Knowledge 2: Indonesia–Timor Leste Commission of Truth and Friendship
The Indonesia–Timor Leste Commission on Truth and Friendship was a truth commission established jointly by the governments of Indonesia and East Timor in August 2005. The commission was officially created to investigate acts of violence that occurred around the independence referendum held in East Timor in 1999 and sought to find the "conclusive truth" behind the events. After holding private hearings and document reviews, the commission handed in the final report on July 15, 2008 to the presidents of both nations, and was fully endorsed by Indonesian President Susilo Bambang Yudhoyono, providing the first acknowledgement by the government of Indonesia of the human rights violations committed by state institutions in Timor. The commission is notable for being the first modern truth commission to be bilateral. [SEP] Knowledge 3: East Timor
Democratic Republic of Timor - Leste Repúblika Demokrátika Timór Lorosa'e (Tetum) República Democrática de Timor - Leste (Portuguese) Flag Coat of arms Motto: Unidade, Acção, Progresso (Portuguese) Unidade, Asaun, Progresu (Tetum) (English: ``Unity, Action, Progress '') Anthem: Pátria (Portuguese) (English:`` Fatherland'') Capital and largest city Dili 8 ° 20 ′ S 125 ° 20 ′ E ﻿ / ﻿ 8.34 ° S 125.34 ° E ﻿ / - 8.34; 125.34 Coordinates: 8 ° 20 ′ S 125 ° 20 ′ E ﻿ / ﻿ 8.34 ° S 125.34 ° E ﻿ / - 8.34; 125.34 Official languages Tetum Portuguese National languages 15 languages (show) Atauru Baikeno Bekais Bunak Fataluku Galoli Habun Idalaka Kawaimina Kemak Makalero Makasae Makuva Mambai Tokodede Religion (2010) 96.9% Roman Catholic 3.1% other religions Demonym East Timorese Timorese Maubere (informal) Government Unitary semi-presidential constitutional republic President Francisco Guterres Prime Minister Mari Alkatiri Legislature National Parliament Formation Portuguese Timor 16th century Independence declared 28 November 1975 Annexation by Indonesia 17 July 1976 Administered by UNTAET 25 October 1999 Independence restored 20 May 2002 Area Total 15,410 km (5,950 sq mi) (154th) Water (%) negligible Population 2015 census 1,167,242 Density 78 / km (202.0 / sq mi) GDP (PPP) 2017 estimate Total $4.567 billion Per capita $5,479 (148th) GDP (nominal) 2014 estimate Total $2.498 billion Per capita $3,330 HDI (2015) 0.605 medium 133rd Currency United States Dollar (USD) Time zone (UTC + 9) Drives on the left Calling code + 670 ISO 3166 code TL Internet TLD. tl Website timor-leste.gov.tl Fifteen further ``national languages ''are recognised by the Constitution. Centavo coins also used.. tp has been phased out.
Knowledge 1: Indonesia–Timor Leste Commission of Truth and Friendship
The Indonesia–Timor Leste Commission on Truth and Friendship was a truth commission established jointly by the governments of Indonesia and East Timor in August 2005. The commission was officially created to investigate acts of violence that occurred around the independence referendum held in East Timor in 1999 and sought to find the "conclusive truth" behind the events. After holding private hearings and document reviews, the commission handed in the final report on July 15, 2008 to the presidents of both nations, and was fully endorsed by Indonesian President Susilo Bambang Yudhoyono, providing the first acknowledgement by the government of Indonesia of the human rights violations committed by state institutions in Timor. The commission is notable for being the first modern truth commission to be bilateral. [SEP] Knowledge 2: Estanislau da Silva
After Timor Leste achieved independence in 2002, Da Silva was appointed as the country's first Minister for Agriculture, Forestry and Fisheries. On 10 July 2006, he was sworn in as the First Deputy Prime Minister of Timor Leste. He was sworn in as the acting Prime Minister on 19 May 2007 to replace José Ramos-Horta who had been elected President of the young nation. He left office when Xanana Gusmão was sworn in as Prime Minister on 8 August 2007, following the June 2007 parliamentary election. [SEP] Knowledge 3: Arie Supriyatna
Arie Supriyatna (born on December 25, 1984) is an Indonesian footballer who currently plays for PSMS Medan in the Indonesia Super League.
Knowledge 1: Arie Supriyatna
Arie Supriyatna (born on December 25, 1984) is an Indonesian footballer who currently plays for PSMS Medan in the Indonesia Super League. [SEP] Knowledge 2: Indonesia–Timor Leste Commission of Truth and Friendship
The Indonesia–Timor Leste Commission on Truth and Friendship was a truth commission established jointly by the governments of Indonesia and East Timor in August 2005. The commission was officially created to investigate acts of violence that occurred around the independence referendum held in East Timor in 1999 and sought to find the "conclusive truth" behind the events. After holding private hearings and document reviews, the commission handed in the final report on July 15, 2008 to the presidents of both nations, and was fully endorsed by Indonesian President Susilo Bambang Yudhoyono, providing the first acknowledgement by the government of Indonesia of the human rights violations committed by state institutions in Timor. The commission is notable for being the first modern truth commission to be bilateral. [SEP] Knowledge 3: Estanislau da Silva
After Timor Leste achieved independence in 2002, Da Silva was appointed as the country's first Minister for Agriculture, Forestry and Fisheries. On 10 July 2006, he was sworn in as the First Deputy Prime Minister of Timor Leste. He was sworn in as the acting Prime Minister on 19 May 2007 to replace José Ramos-Horta who had been elected President of the young nation. He left office when Xanana Gusmão was sworn in as Prime Minister on 8 August 2007, following the June 2007 parliamentary election.

Answer: Francisco Guterres