(S (S (PP-SBJ (NP (S-REL (NP (PP (BASENP (NN ４) (NN 日)) (IN の)) (NN 間)) (S-NSBJ (VP (PP-OBJ (BASENP (NN ストライキ)) (IN を)) (VP (VP (VBV 行っ) (INTE て)) (VP (VBV い) (VP (MD た))))))) (BASENP (NN 労働) (NN 者))) (IN は)) (COMMA 、) (VP (PP-OBJ (NP (PP (NP (PP (BASENP (NN 彼ら)) (IN の)) (NP (NP (BASENP (NN 賃金)) (COMMA 、) (BASENP (NN 労働) (NN 条件))) (COMMA 、) (BASENP (NN 手当)))) (IN の)) (NN 改善)) (IN を)) (VP (VP (VBV 訴え) (INTE て)) (VP (VBV い) (VP (MD た)))))) (PERIOD 。))
4 日 の 間 ストライキ を 行っ て い た 労働 者 は 、 彼ら の 賃金 、 労働 条件 、 手当 の 改善 を 訴え て い た 。
The workers , who had been on strike for four days , were wishing to have improvements made to their wages , working conditions , and allowances .