In the sentences extracted from financial agreements in U.S. SEC filings, identify the named entities that represent a person ('PER'), an organization ('ORG'), or a location ('LOC'). The required answer format is: 'entity name, entity type'.
Text: / s / Frank Wouters SIGNED by Frank Wouters for and on behalf of SILICIUM DE PROVENCE S . A . S / s / Richard G . Chleboski SIGNED by Richard G . Chleboski for and on behalf of EVERGREEN SOLAR , INC .
Answer:
Frank Wouters, PER
Frank Wouters, PER
SILICIUM DE PROVENCE S, ORG
Richard G, PER
Chleboski, PER
Richard G, PER
Chleboski, PER
EVERGREEN SOLAR , INC, ORG
/ s / Frank Wouters SIGNED by Frank Wouters for and on behalf of SILICIUM DE PROVENCE S . A . S / s / Richard G . Chleboski SIGNED by Richard G . Chleboski for and on behalf of EVERGREEN SOLAR , INC .