May 4 (Reuters) - Speculators cut their net long position in raw sugar futures and options again on ICE Futures U.S. in the week to May 1, while they trimmed their net shorts in both cocoa and arabica coffee, U.S. Commodity Futures Trading Commission data showed on Friday. Speculators raised their net long position slightly in cotton. Selected categories from the CFTC weekly Commitment of Traders report: